diff --git a/app.js b/app.js
index 53d06ba..d325746 100644
--- a/app.js
+++ b/app.js
@@ -43,6 +43,7 @@ app.use((req, res, next) => {
 
 app.use("/", indexRouter);
 app.use("/login", loginRouter);
+app.use("/email", require("./routes/email"));
 app.use("/edt", edtRouter);
 app.use("/home", homeRouter);
 app.use("/marks", marksRouter);
diff --git a/bin/www b/bin/www
index 2c949c4..1832864 100755
--- a/bin/www
+++ b/bin/www
@@ -8,6 +8,8 @@ const app = require("../app");
 const debug = require("debug")("letu:server");
 const http = require("http");
 const models = require("../models");
+const { SMTPClient } = require("emailjs");
+const mailClient = new SMTPClient(process.env.NODE_ENV === "test" ? {} : require("../config/config.json").email.server);
 
 /**
  * Get port from environment and store in Express.
@@ -15,6 +17,7 @@ const models = require("../models");
 
 let port = normalizePort(process.env.PORT || "3000");
 app.set("port", port);
+app.set("mailClient", mailClient);
 
 /**
  * Create HTTP server.
@@ -28,6 +31,7 @@ let server = http.createServer(app);
 
 const io = require("socket.io")(server);
 io.use((socket, next) => app.get("sessionMiddleware")(socket.request, socket.request.res || {}, next));
+io.mailClient = mailClient;
 io.on("connection", require("../sockets"));
 
 /**
diff --git a/config/config_example.json b/config/config_example.json
index a930124..6e93448 100644
--- a/config/config_example.json
+++ b/config/config_example.json
@@ -7,6 +7,17 @@
     "dialect": "postgres",
     "operatorsAliases": false
   },
+  "email": {
+    "server": {
+      "user": "user",
+      "password": "password",
+      "host": "smtp.your-email.com",
+      "ssl": true
+    },
+    "from": "Contact Email <you@email.fr>",
+    "contact": "Your Contact <contact@your-email.fr>",
+    "mailPath": "https://yourServer.com"
+  },
   "secret": "keyboard cat",
   "passwordPrivateKey": "ecc635295f200847b79299df48e15759"
 }
diff --git a/package-lock.json b/package-lock.json
index b9a8a97..7ec3230 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
       "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
       "requires": {
-        "@types/babel-types": "7.0.7"
+        "@types/babel-types": "*"
       }
     },
     "@types/node": {
@@ -32,7 +32,7 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
       "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
       "requires": {
-        "mime-types": "2.1.27",
+        "mime-types": "~2.1.24",
         "negotiator": "0.6.2"
       }
     },
@@ -46,7 +46,7 @@
       "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
       "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
       "requires": {
-        "acorn": "4.0.13"
+        "acorn": "^4.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -66,10 +66,10 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
       "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
       "requires": {
-        "fast-deep-equal": "3.1.3",
-        "fast-json-stable-stringify": "2.1.0",
-        "json-schema-traverse": "0.4.1",
-        "uri-js": "4.2.2"
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "align-text": {
@@ -77,9 +77,9 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       }
     },
     "amdefine": {
@@ -114,8 +114,8 @@
       "integrity": "sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==",
       "dev": true,
       "requires": {
-        "normalize-path": "3.0.0",
-        "picomatch": "2.2.2"
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
       }
     },
     "aproba": {
@@ -128,8 +128,8 @@
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
       "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
       "requires": {
-        "delegates": "1.0.0",
-        "readable-stream": "2.3.7"
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
       }
     },
     "argparse": {
@@ -138,7 +138,7 @@
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "array-find-index": {
@@ -166,7 +166,7 @@
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
       "requires": {
-        "safer-buffer": "2.1.2"
+        "safer-buffer": "~2.1.0"
       }
     },
     "assert-plus": {
@@ -210,8 +210,8 @@
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
       "requires": {
-        "core-js": "2.6.11",
-        "regenerator-runtime": "0.11.1"
+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.11.0"
       }
     },
     "babel-types": {
@@ -219,10 +219,10 @@
       "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
       "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
       "requires": {
-        "babel-runtime": "6.26.0",
-        "esutils": "2.0.3",
-        "lodash": "4.17.15",
-        "to-fast-properties": "1.0.3"
+        "babel-runtime": "^6.26.0",
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.4",
+        "to-fast-properties": "^1.0.3"
       }
     },
     "babylon": {
@@ -263,7 +263,7 @@
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
     },
     "better-assert": {
@@ -290,7 +290,7 @@
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
       "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
       "requires": {
-        "inherits": "2.0.3"
+        "inherits": "~2.0.0"
       }
     },
     "bluebird": {
@@ -304,15 +304,15 @@
       "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
       "requires": {
         "bytes": "3.0.0",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "http-errors": "1.6.3",
+        "depd": "~1.1.2",
+        "http-errors": "~1.6.3",
         "iconv-lite": "0.4.23",
-        "on-finished": "2.3.0",
+        "on-finished": "~2.3.0",
         "qs": "6.5.2",
         "raw-body": "2.3.3",
-        "type-is": "1.6.18"
+        "type-is": "~1.6.16"
       }
     },
     "brace-expansion": {
@@ -320,7 +320,7 @@
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -330,7 +330,7 @@
       "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
       "dev": true,
       "requires": {
-        "fill-range": "7.0.1"
+        "fill-range": "^7.0.1"
       }
     },
     "browser-stdout": {
@@ -364,8 +364,8 @@
       "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
       "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
       "requires": {
-        "camelcase": "2.1.1",
-        "map-obj": "1.0.1"
+        "camelcase": "^2.0.0",
+        "map-obj": "^1.0.0"
       }
     },
     "caseless": {
@@ -378,8 +378,8 @@
       "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
       "requires": {
-        "align-text": "0.1.4",
-        "lazy-cache": "1.0.4"
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
       }
     },
     "chai": {
@@ -388,12 +388,12 @@
       "integrity": "sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==",
       "dev": true,
       "requires": {
-        "assertion-error": "1.1.0",
-        "check-error": "1.0.2",
-        "deep-eql": "3.0.1",
-        "get-func-name": "2.0.0",
-        "pathval": "1.1.0",
-        "type-detect": "4.0.8"
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.2",
+        "deep-eql": "^3.0.1",
+        "get-func-name": "^2.0.0",
+        "pathval": "^1.1.0",
+        "type-detect": "^4.0.5"
       }
     },
     "chalk": {
@@ -401,11 +401,11 @@
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
-        "ansi-styles": "2.2.1",
-        "escape-string-regexp": "1.0.5",
-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
       }
     },
     "character-parser": {
@@ -413,7 +413,7 @@
       "resolved": "https://registry.npmjs.org/character-parser/-/character-parser-2.2.0.tgz",
       "integrity": "sha1-x84o821LzZdE5f/CxfzeHHMmH8A=",
       "requires": {
-        "is-regex": "1.1.0"
+        "is-regex": "^1.0.3"
       }
     },
     "check-error": {
@@ -428,14 +428,14 @@
       "integrity": "sha512-dGmKLDdT3Gdl7fBUe8XK+gAtGmzy5Fn0XkkWQuYxGIgWVPPse2CxFA5mtrlD0TOHaHjEUqkWNyP1XdHoJES/4A==",
       "dev": true,
       "requires": {
-        "anymatch": "3.1.1",
-        "braces": "3.0.2",
-        "fsevents": "2.1.3",
-        "glob-parent": "5.1.1",
-        "is-binary-path": "2.1.0",
-        "is-glob": "4.0.1",
-        "normalize-path": "3.0.0",
-        "readdirp": "3.2.0"
+        "anymatch": "~3.1.1",
+        "braces": "~3.0.2",
+        "fsevents": "~2.1.1",
+        "glob-parent": "~5.1.0",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.2.0"
       }
     },
     "chownr": {
@@ -449,8 +449,8 @@
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-3.4.28.tgz",
       "integrity": "sha1-vxlF6C/ICPVWlebd6uwBQA79A/8=",
       "requires": {
-        "commander": "2.8.1",
-        "source-map": "0.4.4"
+        "commander": "2.8.x",
+        "source-map": "0.4.x"
       }
     },
     "cli-color": {
@@ -458,12 +458,12 @@
       "resolved": "https://registry.npmjs.org/cli-color/-/cli-color-1.4.0.tgz",
       "integrity": "sha512-xu6RvQqqrWEo6MPR1eixqGPywhYBHRs653F9jfXB2Hx4jdM/3WxiNE1vppRmxtMIfl16SFYTpYlrnqH/HsK/2w==",
       "requires": {
-        "ansi-regex": "2.1.1",
-        "d": "1.0.1",
-        "es5-ext": "0.10.53",
-        "es6-iterator": "2.0.3",
-        "memoizee": "0.4.14",
-        "timers-ext": "0.1.7"
+        "ansi-regex": "^2.1.1",
+        "d": "1",
+        "es5-ext": "^0.10.46",
+        "es6-iterator": "^2.0.3",
+        "memoizee": "^0.4.14",
+        "timers-ext": "^0.1.5"
       }
     },
     "cliui": {
@@ -471,9 +471,9 @@
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
       "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
       "requires": {
-        "string-width": "3.1.0",
-        "strip-ansi": "5.2.0",
-        "wrap-ansi": "5.1.0"
+        "string-width": "^3.1.0",
+        "strip-ansi": "^5.2.0",
+        "wrap-ansi": "^5.1.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -491,9 +491,9 @@
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
           "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "requires": {
-            "emoji-regex": "7.0.3",
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "5.2.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
@@ -501,7 +501,7 @@
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "requires": {
-            "ansi-regex": "4.1.0"
+            "ansi-regex": "^4.1.0"
           }
         }
       }
@@ -511,8 +511,8 @@
       "resolved": "https://registry.npmjs.org/cls-bluebird/-/cls-bluebird-2.1.0.tgz",
       "integrity": "sha1-N+8eCAqP+1XC9BZPU28ZGeeWiu4=",
       "requires": {
-        "is-bluebird": "1.0.2",
-        "shimmer": "1.2.1"
+        "is-bluebird": "^1.0.2",
+        "shimmer": "^1.1.0"
       }
     },
     "code-point-at": {
@@ -538,7 +538,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
       "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
       "requires": {
-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
       }
     },
     "commander": {
@@ -546,7 +546,7 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
       "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
       "requires": {
-        "graceful-readlink": "1.0.1"
+        "graceful-readlink": ">= 1.0.0"
       }
     },
     "component-bind": {
@@ -574,8 +574,8 @@
       "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.12.tgz",
       "integrity": "sha512-a1eOIcu8+7lUInge4Rpf/n4Krkf3Dd9lqhljRzII1/Zno/kRtUWnznPO3jOKBmTEktkt3fkxisUcivoj0ebzoA==",
       "requires": {
-        "ini": "1.3.5",
-        "proto-list": "1.2.4"
+        "ini": "^1.3.4",
+        "proto-list": "~1.2.1"
       }
     },
     "console-control-strings": {
@@ -588,10 +588,10 @@
       "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.2.tgz",
       "integrity": "sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==",
       "requires": {
-        "@types/babel-types": "7.0.7",
-        "@types/babylon": "6.16.5",
-        "babel-types": "6.26.0",
-        "babylon": "6.18.0"
+        "@types/babel-types": "^7.0.0",
+        "@types/babylon": "^6.16.2",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0"
       }
     },
     "content-disposition": {
@@ -644,8 +644,8 @@
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-3.0.1.tgz",
       "integrity": "sha1-ElYDfsufDF9549bvE14wdwGEuYI=",
       "requires": {
-        "lru-cache": "4.1.5",
-        "which": "1.3.1"
+        "lru-cache": "^4.0.1",
+        "which": "^1.2.9"
       }
     },
     "currently-unhandled": {
@@ -653,7 +653,7 @@
       "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
       "integrity": "sha1-mI3zP+qxke95mmE2nddsF635V+o=",
       "requires": {
-        "array-find-index": "1.0.2"
+        "array-find-index": "^1.0.1"
       }
     },
     "d": {
@@ -661,8 +661,8 @@
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
       "integrity": "sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==",
       "requires": {
-        "es5-ext": "0.10.53",
-        "type": "1.2.0"
+        "es5-ext": "^0.10.50",
+        "type": "^1.0.1"
       }
     },
     "dashdash": {
@@ -670,7 +670,7 @@
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       }
     },
     "debug": {
@@ -692,7 +692,7 @@
       "integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
       "dev": true,
       "requires": {
-        "type-detect": "4.0.8"
+        "type-detect": "^4.0.0"
       }
     },
     "deep-extend": {
@@ -707,7 +707,7 @@
       "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
       "dev": true,
       "requires": {
-        "object-keys": "1.1.1"
+        "object-keys": "^1.0.12"
       }
     },
     "delayed-stream": {
@@ -757,8 +757,8 @@
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
       "requires": {
-        "jsbn": "0.1.1",
-        "safer-buffer": "2.1.2"
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
       }
     },
     "editorconfig": {
@@ -766,10 +766,10 @@
       "resolved": "https://registry.npmjs.org/editorconfig/-/editorconfig-0.15.3.tgz",
       "integrity": "sha512-M9wIMFx96vq0R4F+gRpY3o2exzb8hEj/n9S8unZtHSvYjibBp/iMufSzvmOcV/laG0ZtuTVGtiJggPOSW2r93g==",
       "requires": {
-        "commander": "2.20.3",
-        "lru-cache": "4.1.5",
-        "semver": "5.7.1",
-        "sigmund": "1.0.1"
+        "commander": "^2.19.0",
+        "lru-cache": "^4.1.5",
+        "semver": "^5.6.0",
+        "sigmund": "^1.0.1"
       },
       "dependencies": {
         "commander": {
@@ -784,6 +784,11 @@
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
+    "emailjs": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/emailjs/-/emailjs-3.3.0.tgz",
+      "integrity": "sha512-O8fUbXhyzZEokeLq+mrefYaSdToLXlW3oQfCU+75kqkwL27W8Cb6PW/ipjF1ePapLNoAvWPvwInh/x7x4z/jKA=="
+    },
     "emoji-regex": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
@@ -799,12 +804,12 @@
       "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.4.2.tgz",
       "integrity": "sha512-b4Q85dFkGw+TqgytGPrGgACRUhsdKc9S9ErRAXpPGy/CXKs4tYoHDkvIRdsseAF7NjfVwjRFIn6KTnbw7LwJZg==",
       "requires": {
-        "accepts": "1.3.7",
+        "accepts": "~1.3.4",
         "base64id": "2.0.0",
         "cookie": "0.3.1",
-        "debug": "4.1.1",
-        "engine.io-parser": "2.2.0",
-        "ws": "7.3.0"
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
+        "ws": "^7.1.2"
       },
       "dependencies": {
         "cookie": {
@@ -817,7 +822,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "ms": {
@@ -832,16 +837,16 @@
       "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.4.3.tgz",
       "integrity": "sha512-0NGY+9hioejTEJCaSJZfWZLk4FPI9dN+1H1C4+wj2iuFba47UgZbJzfWs4aNFajnX/qAaYKbe2lLTfEEWzCmcw==",
       "requires": {
-        "component-emitter": "1.3.0",
+        "component-emitter": "~1.3.0",
         "component-inherit": "0.0.3",
-        "debug": "4.1.1",
-        "engine.io-parser": "2.2.0",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
         "parseqs": "0.0.5",
         "parseuri": "0.0.5",
-        "ws": "6.1.4",
-        "xmlhttprequest-ssl": "1.5.5",
+        "ws": "~6.1.0",
+        "xmlhttprequest-ssl": "~1.5.4",
         "yeast": "0.1.2"
       },
       "dependencies": {
@@ -855,7 +860,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "ms": {
@@ -868,7 +873,7 @@
           "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
           "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
           "requires": {
-            "async-limiter": "1.0.1"
+            "async-limiter": "~1.0.0"
           }
         }
       }
@@ -879,10 +884,10 @@
       "integrity": "sha512-6I3qD9iUxotsC5HEMuuGsKA0cXerGz+4uGcXQEkfBidgKf0amsjrrtwcbwK/nzpZBxclXlV7gGl9dgWvu4LF6w==",
       "requires": {
         "after": "0.8.2",
-        "arraybuffer.slice": "0.0.7",
+        "arraybuffer.slice": "~0.0.7",
         "base64-arraybuffer": "0.1.5",
         "blob": "0.0.5",
-        "has-binary2": "1.0.3"
+        "has-binary2": "~1.0.2"
       }
     },
     "error-ex": {
@@ -890,7 +895,7 @@
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
       "integrity": "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==",
       "requires": {
-        "is-arrayish": "0.2.1"
+        "is-arrayish": "^0.2.1"
       }
     },
     "es-abstract": {
@@ -899,17 +904,17 @@
       "integrity": "sha512-BR9auzDbySxOcfog0tLECW8l28eRGpDpU3Dm3Hp4q/N+VtLTmyj4EUN088XZWQDW/hzj6sYRDXeOFsaAODKvpg==",
       "dev": true,
       "requires": {
-        "es-to-primitive": "1.2.1",
-        "function-bind": "1.1.1",
-        "has": "1.0.3",
-        "has-symbols": "1.0.1",
-        "is-callable": "1.2.0",
-        "is-regex": "1.1.0",
-        "object-inspect": "1.7.0",
-        "object-keys": "1.1.1",
-        "object.assign": "4.1.0",
-        "string.prototype.trimleft": "2.1.2",
-        "string.prototype.trimright": "2.1.2"
+        "es-to-primitive": "^1.2.1",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
+        "has-symbols": "^1.0.1",
+        "is-callable": "^1.1.5",
+        "is-regex": "^1.0.5",
+        "object-inspect": "^1.7.0",
+        "object-keys": "^1.1.1",
+        "object.assign": "^4.1.0",
+        "string.prototype.trimleft": "^2.1.1",
+        "string.prototype.trimright": "^2.1.1"
       }
     },
     "es-to-primitive": {
@@ -918,9 +923,9 @@
       "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
       "dev": true,
       "requires": {
-        "is-callable": "1.2.0",
-        "is-date-object": "1.0.2",
-        "is-symbol": "1.0.3"
+        "is-callable": "^1.1.4",
+        "is-date-object": "^1.0.1",
+        "is-symbol": "^1.0.2"
       }
     },
     "es5-ext": {
@@ -928,9 +933,9 @@
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.53.tgz",
       "integrity": "sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==",
       "requires": {
-        "es6-iterator": "2.0.3",
-        "es6-symbol": "3.1.3",
-        "next-tick": "1.0.0"
+        "es6-iterator": "~2.0.3",
+        "es6-symbol": "~3.1.3",
+        "next-tick": "~1.0.0"
       }
     },
     "es6-iterator": {
@@ -938,9 +943,9 @@
       "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.3.tgz",
       "integrity": "sha1-p96IkUGgWpSwhUQDstCg+/qY87c=",
       "requires": {
-        "d": "1.0.1",
-        "es5-ext": "0.10.53",
-        "es6-symbol": "3.1.3"
+        "d": "1",
+        "es5-ext": "^0.10.35",
+        "es6-symbol": "^3.1.1"
       }
     },
     "es6-symbol": {
@@ -948,8 +953,8 @@
       "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.3.tgz",
       "integrity": "sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==",
       "requires": {
-        "d": "1.0.1",
-        "ext": "1.4.0"
+        "d": "^1.0.1",
+        "ext": "^1.1.2"
       }
     },
     "es6-weak-map": {
@@ -957,10 +962,10 @@
       "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.3.tgz",
       "integrity": "sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==",
       "requires": {
-        "d": "1.0.1",
-        "es5-ext": "0.10.53",
-        "es6-iterator": "2.0.3",
-        "es6-symbol": "3.1.3"
+        "d": "1",
+        "es5-ext": "^0.10.46",
+        "es6-iterator": "^2.0.3",
+        "es6-symbol": "^3.1.1"
       }
     },
     "escape-html": {
@@ -994,8 +999,8 @@
       "resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
       "integrity": "sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=",
       "requires": {
-        "d": "1.0.1",
-        "es5-ext": "0.10.53"
+        "d": "1",
+        "es5-ext": "~0.10.14"
       }
     },
     "express": {
@@ -1003,36 +1008,36 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
       "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
       "requires": {
-        "accepts": "1.3.7",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.3",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.3",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.6",
+        "proxy-addr": "~2.0.4",
         "qs": "6.5.2",
-        "range-parser": "1.2.1",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.2",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.18",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
         "cookie": {
@@ -1074,7 +1079,7 @@
       "resolved": "https://registry.npmjs.org/ext/-/ext-1.4.0.tgz",
       "integrity": "sha512-Key5NIsUxdqKg3vIsdw9dSuXpPCQ297y6wBjL30edxwPgt2E44WcWBZey/ZvUc6sERLTxKdyCu4gZFmUbk1Q7A==",
       "requires": {
-        "type": "2.0.0"
+        "type": "^2.0.0"
       },
       "dependencies": {
         "type": {
@@ -1116,7 +1121,7 @@
       "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
       "dev": true,
       "requires": {
-        "to-regex-range": "5.0.1"
+        "to-regex-range": "^5.0.1"
       }
     },
     "finalhandler": {
@@ -1125,12 +1130,12 @@
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.3",
-        "statuses": "1.4.0",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.4.0",
+        "unpipe": "~1.0.0"
       }
     },
     "find-up": {
@@ -1138,8 +1143,8 @@
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
       "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
       "requires": {
-        "path-exists": "2.1.0",
-        "pinkie-promise": "2.0.1"
+        "path-exists": "^2.0.0",
+        "pinkie-promise": "^2.0.0"
       }
     },
     "flat": {
@@ -1148,7 +1153,7 @@
       "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
       "dev": true,
       "requires": {
-        "is-buffer": "2.0.4"
+        "is-buffer": "~2.0.3"
       },
       "dependencies": {
         "is-buffer": {
@@ -1169,9 +1174,9 @@
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
       "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
       "requires": {
-        "asynckit": "0.4.0",
-        "combined-stream": "1.0.8",
-        "mime-types": "2.1.27"
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
+        "mime-types": "^2.1.12"
       }
     },
     "formidable": {
@@ -1195,9 +1200,9 @@
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
       "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
       "requires": {
-        "graceful-fs": "4.2.4",
-        "jsonfile": "4.0.0",
-        "universalify": "0.1.2"
+        "graceful-fs": "^4.1.2",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
       }
     },
     "fs-minipass": {
@@ -1206,7 +1211,7 @@
       "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
       "dev": true,
       "requires": {
-        "minipass": "2.9.0"
+        "minipass": "^2.6.0"
       }
     },
     "fs.realpath": {
@@ -1226,10 +1231,10 @@
       "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
       "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
       "requires": {
-        "graceful-fs": "4.2.4",
-        "inherits": "2.0.3",
-        "mkdirp": "0.5.5",
-        "rimraf": "2.7.1"
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
       }
     },
     "function-bind": {
@@ -1243,14 +1248,14 @@
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "requires": {
-        "aproba": "1.2.0",
-        "console-control-strings": "1.1.0",
-        "has-unicode": "2.0.1",
-        "object-assign": "4.1.1",
-        "signal-exit": "3.0.3",
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1",
-        "wide-align": "1.1.3"
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
       }
     },
     "gaze": {
@@ -1258,7 +1263,7 @@
       "resolved": "https://registry.npmjs.org/gaze/-/gaze-1.1.3.tgz",
       "integrity": "sha512-BRdNm8hbWzFzWHERTrejLqwHDfS4GibPoq5wjTPIoJHoBtKGPg3xAFfxmM+9ztbXelxcf2hwQcaz1PtmFeue8g==",
       "requires": {
-        "globule": "1.3.1"
+        "globule": "^1.0.0"
       }
     },
     "get-caller-file": {
@@ -1282,7 +1287,7 @@
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "requires": {
-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
       }
     },
     "glob": {
@@ -1290,12 +1295,12 @@
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
       "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
       "requires": {
-        "fs.realpath": "1.0.0",
-        "inflight": "1.0.6",
-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
-        "path-is-absolute": "1.0.1"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
       }
     },
     "glob-parent": {
@@ -1304,7 +1309,7 @@
       "integrity": "sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==",
       "dev": true,
       "requires": {
-        "is-glob": "4.0.1"
+        "is-glob": "^4.0.1"
       }
     },
     "globule": {
@@ -1312,9 +1317,9 @@
       "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.1.tgz",
       "integrity": "sha512-OVyWOHgw29yosRHCHo7NncwR1hW5ew0W/UrvtwvjefVJeQ26q4/8r8FmPsSF1hJ93IgWkyv16pCTz6WblMzm/g==",
       "requires": {
-        "glob": "7.1.6",
-        "lodash": "4.17.15",
-        "minimatch": "3.0.4"
+        "glob": "~7.1.1",
+        "lodash": "~4.17.12",
+        "minimatch": "~3.0.2"
       }
     },
     "graceful-fs": {
@@ -1343,8 +1348,8 @@
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
       "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
       "requires": {
-        "ajv": "6.12.2",
-        "har-schema": "2.0.0"
+        "ajv": "^6.5.5",
+        "har-schema": "^2.0.0"
       }
     },
     "has": {
@@ -1353,7 +1358,7 @@
       "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
       "dev": true,
       "requires": {
-        "function-bind": "1.1.1"
+        "function-bind": "^1.1.1"
       }
     },
     "has-ansi": {
@@ -1361,7 +1366,7 @@
       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
       "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "has-binary2": {
@@ -1416,10 +1421,10 @@
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
       "requires": {
-        "depd": "1.1.2",
+        "depd": "~1.1.2",
         "inherits": "2.0.3",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0"
+        "statuses": ">= 1.4.0 < 2"
       }
     },
     "http-signature": {
@@ -1427,9 +1432,9 @@
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
       "requires": {
-        "assert-plus": "1.0.0",
-        "jsprim": "1.4.1",
-        "sshpk": "1.16.1"
+        "assert-plus": "^1.0.0",
+        "jsprim": "^1.2.2",
+        "sshpk": "^1.7.0"
       }
     },
     "iconv-lite": {
@@ -1437,7 +1442,7 @@
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
       "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
       "requires": {
-        "safer-buffer": "2.1.2"
+        "safer-buffer": ">= 2.1.2 < 3"
       }
     },
     "ignore-walk": {
@@ -1446,7 +1451,7 @@
       "integrity": "sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==",
       "dev": true,
       "requires": {
-        "minimatch": "3.0.4"
+        "minimatch": "^3.0.4"
       }
     },
     "in-publish": {
@@ -1459,7 +1464,7 @@
       "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-2.1.0.tgz",
       "integrity": "sha1-ji1INIdCEhtKghi3oTfppSBJ3IA=",
       "requires": {
-        "repeating": "2.0.1"
+        "repeating": "^2.0.0"
       }
     },
     "indexof": {
@@ -1477,8 +1482,8 @@
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "requires": {
-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
+        "wrappy": "1"
       }
     },
     "inherits": {
@@ -1507,7 +1512,7 @@
       "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
       "dev": true,
       "requires": {
-        "binary-extensions": "2.0.0"
+        "binary-extensions": "^2.0.0"
       }
     },
     "is-bluebird": {
@@ -1537,8 +1542,8 @@
       "resolved": "https://registry.npmjs.org/is-expression/-/is-expression-3.0.0.tgz",
       "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
       "requires": {
-        "acorn": "4.0.13",
-        "object-assign": "4.1.1"
+        "acorn": "~4.0.2",
+        "object-assign": "^4.0.1"
       },
       "dependencies": {
         "acorn": {
@@ -1564,7 +1569,7 @@
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
       "requires": {
-        "number-is-nan": "1.0.1"
+        "number-is-nan": "^1.0.0"
       }
     },
     "is-glob": {
@@ -1573,7 +1578,7 @@
       "integrity": "sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==",
       "dev": true,
       "requires": {
-        "is-extglob": "2.1.1"
+        "is-extglob": "^2.1.1"
       }
     },
     "is-number": {
@@ -1592,7 +1597,7 @@
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.0.tgz",
       "integrity": "sha512-iI97M8KTWID2la5uYXlkbSDQIg4F6o1sYboZKKTDpnDQMLtUL86zxhgDet3Q2SriaYsyGqZ6Mn2SjbRKeLHdqw==",
       "requires": {
-        "has-symbols": "1.0.1"
+        "has-symbols": "^1.0.1"
       }
     },
     "is-symbol": {
@@ -1601,7 +1606,7 @@
       "integrity": "sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==",
       "dev": true,
       "requires": {
-        "has-symbols": "1.0.1"
+        "has-symbols": "^1.0.1"
       }
     },
     "is-typedarray": {
@@ -1639,11 +1644,11 @@
       "resolved": "https://registry.npmjs.org/js-beautify/-/js-beautify-1.11.0.tgz",
       "integrity": "sha512-a26B+Cx7USQGSWnz9YxgJNMmML/QG2nqIaL7VVYPCXbqiKz8PN0waSNvroMtvAK6tY7g/wPdNWGEP+JTNIBr6A==",
       "requires": {
-        "config-chain": "1.1.12",
-        "editorconfig": "0.15.3",
-        "glob": "7.1.6",
-        "mkdirp": "1.0.4",
-        "nopt": "4.0.3"
+        "config-chain": "^1.1.12",
+        "editorconfig": "^0.15.3",
+        "glob": "^7.1.3",
+        "mkdirp": "~1.0.3",
+        "nopt": "^4.0.3"
       },
       "dependencies": {
         "mkdirp": {
@@ -1656,8 +1661,8 @@
           "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
           "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         }
       }
@@ -1673,8 +1678,8 @@
       "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "dev": true,
       "requires": {
-        "argparse": "1.0.10",
-        "esprima": "4.0.1"
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
       }
     },
     "jsbn": {
@@ -1702,7 +1707,7 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "requires": {
-        "graceful-fs": "4.2.4"
+        "graceful-fs": "^4.1.6"
       }
     },
     "jsprim": {
@@ -1721,8 +1726,8 @@
       "resolved": "https://registry.npmjs.org/jstransformer/-/jstransformer-1.0.0.tgz",
       "integrity": "sha1-7Yvwkh4vPx7U1cGkT2hwntJHIsM=",
       "requires": {
-        "is-promise": "2.2.2",
-        "promise": "7.3.1"
+        "is-promise": "^2.0.0",
+        "promise": "^7.0.1"
       }
     },
     "kind-of": {
@@ -1730,7 +1735,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "requires": {
-        "is-buffer": "1.1.6"
+        "is-buffer": "^1.1.5"
       }
     },
     "lazy-cache": {
@@ -1743,11 +1748,11 @@
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
       "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
       "requires": {
-        "graceful-fs": "4.2.4",
-        "parse-json": "2.2.0",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1",
-        "strip-bom": "2.0.0"
+        "graceful-fs": "^4.1.2",
+        "parse-json": "^2.2.0",
+        "pify": "^2.0.0",
+        "pinkie-promise": "^2.0.0",
+        "strip-bom": "^2.0.0"
       }
     },
     "locate-path": {
@@ -1755,8 +1760,8 @@
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
       "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
       "requires": {
-        "p-locate": "3.0.0",
-        "path-exists": "3.0.0"
+        "p-locate": "^3.0.0",
+        "path-exists": "^3.0.0"
       },
       "dependencies": {
         "path-exists": {
@@ -1777,7 +1782,7 @@
       "integrity": "sha512-dSkNGuI7iG3mfvDzUuYZyvk5dD9ocYCYzNU6CYDE6+Xqd+gwme6Z00NS3dUh8mq/73HaEtT7m6W+yUPtU6BZnQ==",
       "dev": true,
       "requires": {
-        "chalk": "2.4.2"
+        "chalk": "^2.4.2"
       },
       "dependencies": {
         "ansi-styles": {
@@ -1786,7 +1791,7 @@
           "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "dev": true,
           "requires": {
-            "color-convert": "1.9.3"
+            "color-convert": "^1.9.0"
           }
         },
         "chalk": {
@@ -1795,9 +1800,9 @@
           "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
           "dev": true,
           "requires": {
-            "ansi-styles": "3.2.1",
-            "escape-string-regexp": "1.0.5",
-            "supports-color": "5.5.0"
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
           }
         },
         "supports-color": {
@@ -1806,7 +1811,7 @@
           "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
           "dev": true,
           "requires": {
-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
           }
         }
       }
@@ -1821,8 +1826,8 @@
       "resolved": "https://registry.npmjs.org/loud-rejection/-/loud-rejection-1.6.0.tgz",
       "integrity": "sha1-W0b4AUft7leIcPCG0Eghz5mOVR8=",
       "requires": {
-        "currently-unhandled": "0.4.1",
-        "signal-exit": "3.0.3"
+        "currently-unhandled": "^0.4.1",
+        "signal-exit": "^3.0.0"
       }
     },
     "lru-cache": {
@@ -1830,8 +1835,8 @@
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
       "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
       "requires": {
-        "pseudomap": "1.0.2",
-        "yallist": "2.1.2"
+        "pseudomap": "^1.0.2",
+        "yallist": "^2.1.2"
       }
     },
     "lru-queue": {
@@ -1839,7 +1844,7 @@
       "resolved": "https://registry.npmjs.org/lru-queue/-/lru-queue-0.1.0.tgz",
       "integrity": "sha1-Jzi9nw089PhEkMVzbEhpmsYyzaM=",
       "requires": {
-        "es5-ext": "0.10.53"
+        "es5-ext": "~0.10.2"
       }
     },
     "map-obj": {
@@ -1857,14 +1862,14 @@
       "resolved": "https://registry.npmjs.org/memoizee/-/memoizee-0.4.14.tgz",
       "integrity": "sha512-/SWFvWegAIYAO4NQMpcX+gcra0yEZu4OntmUdrBaWrJncxOqAziGFlHxc7yjKVK2uu3lpPW27P27wkR82wA8mg==",
       "requires": {
-        "d": "1.0.1",
-        "es5-ext": "0.10.53",
-        "es6-weak-map": "2.0.3",
-        "event-emitter": "0.3.5",
-        "is-promise": "2.2.2",
-        "lru-queue": "0.1.0",
-        "next-tick": "1.0.0",
-        "timers-ext": "0.1.7"
+        "d": "1",
+        "es5-ext": "^0.10.45",
+        "es6-weak-map": "^2.0.2",
+        "event-emitter": "^0.3.5",
+        "is-promise": "^2.1",
+        "lru-queue": "0.1",
+        "next-tick": "1",
+        "timers-ext": "^0.1.5"
       }
     },
     "meow": {
@@ -1872,16 +1877,16 @@
       "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
       "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
       "requires": {
-        "camelcase-keys": "2.1.0",
-        "decamelize": "1.2.0",
-        "loud-rejection": "1.6.0",
-        "map-obj": "1.0.1",
-        "minimist": "1.2.5",
-        "normalize-package-data": "2.5.0",
-        "object-assign": "4.1.1",
-        "read-pkg-up": "1.0.1",
-        "redent": "1.0.0",
-        "trim-newlines": "1.0.0"
+        "camelcase-keys": "^2.0.0",
+        "decamelize": "^1.1.2",
+        "loud-rejection": "^1.0.0",
+        "map-obj": "^1.0.1",
+        "minimist": "^1.1.3",
+        "normalize-package-data": "^2.3.4",
+        "object-assign": "^4.0.1",
+        "read-pkg-up": "^1.0.1",
+        "redent": "^1.0.0",
+        "trim-newlines": "^1.0.0"
       }
     },
     "merge-descriptors": {
@@ -1917,7 +1922,7 @@
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
       "requires": {
-        "brace-expansion": "1.1.11"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {
@@ -1931,8 +1936,8 @@
       "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
       "dev": true,
       "requires": {
-        "safe-buffer": "5.1.2",
-        "yallist": "3.1.1"
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
       },
       "dependencies": {
         "yallist": {
@@ -1949,7 +1954,7 @@
       "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
       "dev": true,
       "requires": {
-        "minipass": "2.9.0"
+        "minipass": "^2.9.0"
       }
     },
     "mkdirp": {
@@ -1957,7 +1962,7 @@
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
       "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
       "requires": {
-        "minimist": "1.2.5"
+        "minimist": "^1.2.5"
       }
     },
     "mocha": {
@@ -1998,7 +2003,7 @@
           "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
           "dev": true,
           "requires": {
-            "ms": "2.1.1"
+            "ms": "^2.1.1"
           }
         },
         "find-up": {
@@ -2007,7 +2012,7 @@
           "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
           "dev": true,
           "requires": {
-            "locate-path": "3.0.0"
+            "locate-path": "^3.0.0"
           }
         },
         "glob": {
@@ -2016,12 +2021,12 @@
           "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
           "dev": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "ms": {
@@ -2036,7 +2041,7 @@
           "integrity": "sha512-on9Kwidc1IUQo+bQdhi8+Tijpo0e1SS6RoGo2guUwn5vdaxw8RXOF9Vb2ws+ihWOmh4JnCJOvaziZWP1VABaLg==",
           "dev": true,
           "requires": {
-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
           }
         }
       }
@@ -2051,7 +2056,7 @@
       "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.31.tgz",
       "integrity": "sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==",
       "requires": {
-        "moment": "2.26.0"
+        "moment": ">= 2.9.0"
       }
     },
     "morgan": {
@@ -2059,11 +2064,11 @@
       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",
       "integrity": "sha512-HQStPIV4y3afTiCYVxirakhlCfGkI161c76kKFca7Fk1JusM//Qeo1ej2XaMniiNeaZklMVrh3vTtIzpzwbpmA==",
       "requires": {
-        "basic-auth": "2.0.1",
+        "basic-auth": "~2.0.0",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "on-finished": "2.3.0",
-        "on-headers": "1.0.2"
+        "depd": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.0.1"
       }
     },
     "ms": {
@@ -2082,9 +2087,9 @@
       "integrity": "sha512-LbRIwS9BfkPvNwNHlsA41Q29kL2L/6VaOJ0qisM5lLWsTV3nP15abO5ITL6L81zqFhzjRKDAYjpcBcwM0AVvLQ==",
       "dev": true,
       "requires": {
-        "debug": "3.2.6",
-        "iconv-lite": "0.4.23",
-        "sax": "1.2.4"
+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
       },
       "dependencies": {
         "debug": {
@@ -2093,7 +2098,7 @@
           "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
           "dev": true,
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "ms": {
@@ -2126,8 +2131,8 @@
       "integrity": "sha512-5Evy2epuL+6TM0lCQGpFIj6KwiEsGh1SrHUhTbNX+sLbBtjidPZFAnVK9y5yU1+h//RitLbRHTIMyxQPtxMdHw==",
       "dev": true,
       "requires": {
-        "object.getownpropertydescriptors": "2.1.0",
-        "semver": "5.7.1"
+        "object.getownpropertydescriptors": "^2.0.3",
+        "semver": "^5.7.0"
       }
     },
     "node-gyp": {
@@ -2135,18 +2140,18 @@
       "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.8.0.tgz",
       "integrity": "sha512-3g8lYefrRRzvGeSowdJKAKyks8oUpLEd/DyPV4eMhVlhJ0aNaZqIrNUIPuEWWTAoPqyFkfGrM67MC69baqn6vA==",
       "requires": {
-        "fstream": "1.0.12",
-        "glob": "7.1.6",
-        "graceful-fs": "4.2.4",
-        "mkdirp": "0.5.5",
-        "nopt": "3.0.6",
-        "npmlog": "4.1.2",
-        "osenv": "0.1.5",
-        "request": "2.88.2",
-        "rimraf": "2.7.1",
-        "semver": "5.3.0",
-        "tar": "2.2.2",
-        "which": "1.3.1"
+        "fstream": "^1.0.0",
+        "glob": "^7.0.3",
+        "graceful-fs": "^4.1.2",
+        "mkdirp": "^0.5.0",
+        "nopt": "2 || 3",
+        "npmlog": "0 || 1 || 2 || 3 || 4",
+        "osenv": "0",
+        "request": "^2.87.0",
+        "rimraf": "2",
+        "semver": "~5.3.0",
+        "tar": "^2.0.0",
+        "which": "1"
       },
       "dependencies": {
         "semver": {
@@ -2162,16 +2167,16 @@
       "integrity": "sha512-TwWAOZb0j7e9eGaf9esRx3ZcLaE5tQ2lvYy1pb5IAaG1a2e2Kv5Lms1Y4hpj+ciXJRofIxxlt5haeQ/2ANeE0Q==",
       "dev": true,
       "requires": {
-        "detect-libc": "1.0.3",
-        "mkdirp": "0.5.5",
-        "needle": "2.5.2",
-        "nopt": "4.0.3",
-        "npm-packlist": "1.4.8",
-        "npmlog": "4.1.2",
-        "rc": "1.2.8",
-        "rimraf": "2.7.1",
-        "semver": "5.7.1",
-        "tar": "4.4.13"
+        "detect-libc": "^1.0.2",
+        "mkdirp": "^0.5.1",
+        "needle": "^2.2.1",
+        "nopt": "^4.0.1",
+        "npm-packlist": "^1.1.6",
+        "npmlog": "^4.0.2",
+        "rc": "^1.2.7",
+        "rimraf": "^2.6.1",
+        "semver": "^5.3.0",
+        "tar": "^4"
       },
       "dependencies": {
         "nopt": {
@@ -2180,8 +2185,8 @@
           "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
           "dev": true,
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "tar": {
@@ -2190,13 +2195,13 @@
           "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
           "dev": true,
           "requires": {
-            "chownr": "1.1.4",
-            "fs-minipass": "1.2.7",
-            "minipass": "2.9.0",
-            "minizlib": "1.3.3",
-            "mkdirp": "0.5.5",
-            "safe-buffer": "5.1.2",
-            "yallist": "3.1.1"
+            "chownr": "^1.1.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.8.6",
+            "minizlib": "^1.2.1",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.3"
           }
         },
         "yallist": {
@@ -2212,23 +2217,23 @@
       "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.14.1.tgz",
       "integrity": "sha512-sjCuOlvGyCJS40R8BscF5vhVlQjNN069NtQ1gSxyK1u9iqvn6tf7O1R4GNowVZfiZUCRt5MmMs1xd+4V/7Yr0g==",
       "requires": {
-        "async-foreach": "0.1.3",
-        "chalk": "1.1.3",
-        "cross-spawn": "3.0.1",
-        "gaze": "1.1.3",
-        "get-stdin": "4.0.1",
-        "glob": "7.1.6",
-        "in-publish": "2.0.1",
-        "lodash": "4.17.15",
-        "meow": "3.7.0",
-        "mkdirp": "0.5.5",
-        "nan": "2.14.1",
-        "node-gyp": "3.8.0",
-        "npmlog": "4.1.2",
-        "request": "2.88.2",
+        "async-foreach": "^0.1.3",
+        "chalk": "^1.1.1",
+        "cross-spawn": "^3.0.0",
+        "gaze": "^1.0.0",
+        "get-stdin": "^4.0.1",
+        "glob": "^7.0.3",
+        "in-publish": "^2.0.0",
+        "lodash": "^4.17.15",
+        "meow": "^3.7.0",
+        "mkdirp": "^0.5.1",
+        "nan": "^2.13.2",
+        "node-gyp": "^3.8.0",
+        "npmlog": "^4.0.0",
+        "request": "^2.88.0",
         "sass-graph": "2.2.5",
-        "stdout-stream": "1.4.1",
-        "true-case-path": "1.0.3"
+        "stdout-stream": "^1.4.0",
+        "true-case-path": "^1.0.2"
       }
     },
     "node-sass-middleware": {
@@ -2236,8 +2241,8 @@
       "resolved": "https://registry.npmjs.org/node-sass-middleware/-/node-sass-middleware-0.11.0.tgz",
       "integrity": "sha1-KrVhJDYpQRAuLNVNihwc70Ra+xU=",
       "requires": {
-        "mkdirp": "0.5.5",
-        "node-sass": "4.14.1"
+        "mkdirp": "^0.5.1",
+        "node-sass": "^4.3.0"
       }
     },
     "nopt": {
@@ -2245,7 +2250,7 @@
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
       "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
       "requires": {
-        "abbrev": "1.1.1"
+        "abbrev": "1"
       }
     },
     "normalize-package-data": {
@@ -2253,10 +2258,10 @@
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
       "integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
       "requires": {
-        "hosted-git-info": "2.8.8",
-        "resolve": "1.17.0",
-        "semver": "5.7.1",
-        "validate-npm-package-license": "3.0.4"
+        "hosted-git-info": "^2.1.4",
+        "resolve": "^1.10.0",
+        "semver": "2 || 3 || 4 || 5",
+        "validate-npm-package-license": "^3.0.1"
       }
     },
     "normalize-path": {
@@ -2271,7 +2276,7 @@
       "integrity": "sha512-gqkfgGePhTpAEgUsGEgcq1rqPXA+tv/aVBlgEzfXwA1yiUJF7xtEt3CtVwOjNYQOVknDk0F20w58Fnm3EtG0fA==",
       "dev": true,
       "requires": {
-        "npm-normalize-package-bin": "1.0.1"
+        "npm-normalize-package-bin": "^1.0.1"
       }
     },
     "npm-normalize-package-bin": {
@@ -2286,9 +2291,9 @@
       "integrity": "sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==",
       "dev": true,
       "requires": {
-        "ignore-walk": "3.0.3",
-        "npm-bundled": "1.1.1",
-        "npm-normalize-package-bin": "1.0.1"
+        "ignore-walk": "^3.0.1",
+        "npm-bundled": "^1.0.1",
+        "npm-normalize-package-bin": "^1.0.1"
       }
     },
     "npmlog": {
@@ -2296,10 +2301,10 @@
       "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
       "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
       "requires": {
-        "are-we-there-yet": "1.1.5",
-        "console-control-strings": "1.1.0",
-        "gauge": "2.7.4",
-        "set-blocking": "2.0.0"
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
       }
     },
     "number-is-nan": {
@@ -2340,10 +2345,10 @@
       "integrity": "sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "function-bind": "1.1.1",
-        "has-symbols": "1.0.1",
-        "object-keys": "1.1.1"
+        "define-properties": "^1.1.2",
+        "function-bind": "^1.1.1",
+        "has-symbols": "^1.0.0",
+        "object-keys": "^1.0.11"
       }
     },
     "object.getownpropertydescriptors": {
@@ -2352,8 +2357,8 @@
       "integrity": "sha512-Z53Oah9A3TdLoblT7VKJaTDdXdT+lQO+cNpKVnya5JDe9uLvzu1YyY1yFDFrcxrlRgWrEFH0jJtD/IbuwjcEVg==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "es-abstract": "1.17.5"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0-next.1"
       }
     },
     "on-finished": {
@@ -2374,7 +2379,7 @@
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "requires": {
-        "wrappy": "1.0.2"
+        "wrappy": "1"
       }
     },
     "os-homedir": {
@@ -2392,8 +2397,8 @@
       "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
       "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
       "requires": {
-        "os-homedir": "1.0.2",
-        "os-tmpdir": "1.0.2"
+        "os-homedir": "^1.0.0",
+        "os-tmpdir": "^1.0.0"
       }
     },
     "p-limit": {
@@ -2401,7 +2406,7 @@
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
       "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
       "requires": {
-        "p-try": "2.2.0"
+        "p-try": "^2.0.0"
       }
     },
     "p-locate": {
@@ -2409,7 +2414,7 @@
       "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
       "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
       "requires": {
-        "p-limit": "2.3.0"
+        "p-limit": "^2.0.0"
       }
     },
     "p-try": {
@@ -2427,7 +2432,7 @@
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
       "requires": {
-        "error-ex": "1.3.2"
+        "error-ex": "^1.2.0"
       }
     },
     "parseqs": {
@@ -2435,7 +2440,7 @@
       "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
       "integrity": "sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=",
       "requires": {
-        "better-assert": "1.0.2"
+        "better-assert": "~1.0.0"
       }
     },
     "parseuri": {
@@ -2443,7 +2448,7 @@
       "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
       "integrity": "sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=",
       "requires": {
-        "better-assert": "1.0.2"
+        "better-assert": "~1.0.0"
       }
     },
     "parseurl": {
@@ -2456,7 +2461,7 @@
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-2.1.0.tgz",
       "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
       "requires": {
-        "pinkie-promise": "2.0.1"
+        "pinkie-promise": "^2.0.0"
       }
     },
     "path-is-absolute": {
@@ -2479,9 +2484,9 @@
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
       "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
       "requires": {
-        "graceful-fs": "4.2.4",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1"
+        "graceful-fs": "^4.1.2",
+        "pify": "^2.0.0",
+        "pinkie-promise": "^2.0.0"
       }
     },
     "pathval": {
@@ -2502,11 +2507,11 @@
       "requires": {
         "buffer-writer": "2.0.0",
         "packet-reader": "1.0.0",
-        "pg-connection-string": "2.2.3",
-        "pg-pool": "3.2.1",
-        "pg-protocol": "1.2.4",
-        "pg-types": "2.2.0",
-        "pgpass": "1.0.2",
+        "pg-connection-string": "^2.2.3",
+        "pg-pool": "^3.2.1",
+        "pg-protocol": "^1.2.4",
+        "pg-types": "^2.1.0",
+        "pgpass": "1.x",
         "semver": "4.3.2"
       },
       "dependencies": {
@@ -2543,10 +2548,10 @@
       "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
       "requires": {
         "pg-int8": "1.0.1",
-        "postgres-array": "2.0.0",
-        "postgres-bytea": "1.0.0",
-        "postgres-date": "1.0.5",
-        "postgres-interval": "1.2.0"
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
       }
     },
     "pgpass": {
@@ -2554,7 +2559,7 @@
       "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
       "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
       "requires": {
-        "split": "1.0.1"
+        "split": "^1.0.0"
       }
     },
     "picomatch": {
@@ -2578,7 +2583,7 @@
       "resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz",
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
       "requires": {
-        "pinkie": "2.0.4"
+        "pinkie": "^2.0.0"
       }
     },
     "postgres-array": {
@@ -2601,7 +2606,7 @@
       "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
       "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
       "requires": {
-        "xtend": "4.0.2"
+        "xtend": "^4.0.0"
       }
     },
     "process-nextick-args": {
@@ -2614,7 +2619,7 @@
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
       "integrity": "sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==",
       "requires": {
-        "asap": "2.0.6"
+        "asap": "~2.0.3"
       }
     },
     "proto-list": {
@@ -2627,7 +2632,7 @@
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
       "integrity": "sha512-dh/frvCBVmSsDYzw6n926jv974gddhkFPfiN8hPOi30Wax25QZyZEGveluCgliBnqmuM+UJmBErbAUFIoDbjOw==",
       "requires": {
-        "forwarded": "0.1.2",
+        "forwarded": "~0.1.2",
         "ipaddr.js": "1.9.1"
       }
     },
@@ -2646,14 +2651,14 @@
       "resolved": "https://registry.npmjs.org/pug/-/pug-2.0.0-beta11.tgz",
       "integrity": "sha1-Favmr1AEx+LPRhPksnRlyVRrXwE=",
       "requires": {
-        "pug-code-gen": "1.1.1",
-        "pug-filters": "2.1.5",
-        "pug-lexer": "3.1.0",
-        "pug-linker": "2.0.3",
-        "pug-load": "2.0.12",
-        "pug-parser": "2.0.2",
-        "pug-runtime": "2.0.5",
-        "pug-strip-comments": "1.0.4"
+        "pug-code-gen": "^1.1.1",
+        "pug-filters": "^2.1.1",
+        "pug-lexer": "^3.0.0",
+        "pug-linker": "^2.0.2",
+        "pug-load": "^2.0.5",
+        "pug-parser": "^2.0.2",
+        "pug-runtime": "^2.0.3",
+        "pug-strip-comments": "^1.0.2"
       }
     },
     "pug-attrs": {
@@ -2661,9 +2666,9 @@
       "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-2.0.4.tgz",
       "integrity": "sha512-TaZ4Z2TWUPDJcV3wjU3RtUXMrd3kM4Wzjbe3EWnSsZPsJ3LDI0F3yCnf2/W7PPFF+edUFQ0HgDL1IoxSz5K8EQ==",
       "requires": {
-        "constantinople": "3.1.2",
-        "js-stringify": "1.0.2",
-        "pug-runtime": "2.0.5"
+        "constantinople": "^3.0.1",
+        "js-stringify": "^1.0.1",
+        "pug-runtime": "^2.0.5"
       }
     },
     "pug-code-gen": {
@@ -2671,14 +2676,14 @@
       "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-1.1.1.tgz",
       "integrity": "sha1-HPcnRO8qA56uajNAyqoRBYcSWOg=",
       "requires": {
-        "constantinople": "3.1.2",
-        "doctypes": "1.1.0",
-        "js-stringify": "1.0.2",
-        "pug-attrs": "2.0.4",
-        "pug-error": "1.3.3",
-        "pug-runtime": "2.0.5",
-        "void-elements": "2.0.1",
-        "with": "5.1.1"
+        "constantinople": "^3.0.1",
+        "doctypes": "^1.1.0",
+        "js-stringify": "^1.0.1",
+        "pug-attrs": "^2.0.2",
+        "pug-error": "^1.3.2",
+        "pug-runtime": "^2.0.3",
+        "void-elements": "^2.0.1",
+        "with": "^5.0.0"
       }
     },
     "pug-error": {
@@ -2691,13 +2696,13 @@
       "resolved": "https://registry.npmjs.org/pug-filters/-/pug-filters-2.1.5.tgz",
       "integrity": "sha512-xkw71KtrC4sxleKiq+cUlQzsiLn8pM5+vCgkChW2E6oNOzaqTSIBKIQ5cl4oheuDzvJYCTSYzRaVinMUrV4YLQ==",
       "requires": {
-        "clean-css": "3.4.28",
-        "constantinople": "3.1.2",
+        "clean-css": "^3.3.0",
+        "constantinople": "^3.0.1",
         "jstransformer": "1.0.0",
-        "pug-error": "1.3.3",
-        "pug-walk": "1.1.8",
-        "resolve": "1.17.0",
-        "uglify-js": "2.8.29"
+        "pug-error": "^1.3.2",
+        "pug-walk": "^1.1.5",
+        "resolve": "^1.1.6",
+        "uglify-js": "^2.6.1"
       }
     },
     "pug-lexer": {
@@ -2705,9 +2710,9 @@
       "resolved": "https://registry.npmjs.org/pug-lexer/-/pug-lexer-3.1.0.tgz",
       "integrity": "sha1-/QhzdtSmdbT1n4/vQiiDQ06VgaI=",
       "requires": {
-        "character-parser": "2.2.0",
-        "is-expression": "3.0.0",
-        "pug-error": "1.3.3"
+        "character-parser": "^2.1.1",
+        "is-expression": "^3.0.0",
+        "pug-error": "^1.3.2"
       }
     },
     "pug-linker": {
@@ -2715,8 +2720,8 @@
       "resolved": "https://registry.npmjs.org/pug-linker/-/pug-linker-2.0.3.tgz",
       "integrity": "sha1-szH/olc33eacEntWwQ/xf652bco=",
       "requires": {
-        "pug-error": "1.3.3",
-        "pug-walk": "1.1.8"
+        "pug-error": "^1.3.2",
+        "pug-walk": "^1.1.2"
       }
     },
     "pug-load": {
@@ -2724,8 +2729,8 @@
       "resolved": "https://registry.npmjs.org/pug-load/-/pug-load-2.0.12.tgz",
       "integrity": "sha512-UqpgGpyyXRYgJs/X60sE6SIf8UBsmcHYKNaOccyVLEuT6OPBIMo6xMPhoJnqtB3Q3BbO4Z3Bjz5qDsUWh4rXsg==",
       "requires": {
-        "object-assign": "4.1.1",
-        "pug-walk": "1.1.8"
+        "object-assign": "^4.1.0",
+        "pug-walk": "^1.1.8"
       }
     },
     "pug-parser": {
@@ -2733,7 +2738,7 @@
       "resolved": "https://registry.npmjs.org/pug-parser/-/pug-parser-2.0.2.tgz",
       "integrity": "sha1-U6aAz9BQOdywwn0CkJS8SnkmibA=",
       "requires": {
-        "pug-error": "1.3.3",
+        "pug-error": "^1.3.2",
         "token-stream": "0.0.1"
       }
     },
@@ -2747,7 +2752,7 @@
       "resolved": "https://registry.npmjs.org/pug-strip-comments/-/pug-strip-comments-1.0.4.tgz",
       "integrity": "sha512-i5j/9CS4yFhSxHp5iKPHwigaig/VV9g+FgReLJWWHEHbvKsbqL0oP/K5ubuLco6Wu3Kan5p7u7qk8A4oLLh6vw==",
       "requires": {
-        "pug-error": "1.3.3"
+        "pug-error": "^1.3.3"
       }
     },
     "pug-walk": {
@@ -2792,10 +2797,10 @@
       "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
       "dev": true,
       "requires": {
-        "deep-extend": "0.6.0",
-        "ini": "1.3.5",
-        "minimist": "1.2.5",
-        "strip-json-comments": "2.0.1"
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
       }
     },
     "read-pkg": {
@@ -2803,9 +2808,9 @@
       "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
       "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
       "requires": {
-        "load-json-file": "1.1.0",
-        "normalize-package-data": "2.5.0",
-        "path-type": "1.1.0"
+        "load-json-file": "^1.0.0",
+        "normalize-package-data": "^2.3.2",
+        "path-type": "^1.0.0"
       }
     },
     "read-pkg-up": {
@@ -2813,8 +2818,8 @@
       "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
       "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
       "requires": {
-        "find-up": "1.1.2",
-        "read-pkg": "1.1.0"
+        "find-up": "^1.0.0",
+        "read-pkg": "^1.0.0"
       }
     },
     "readable-stream": {
@@ -2822,13 +2827,13 @@
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
       "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
       "requires": {
-        "core-util-is": "1.0.2",
-        "inherits": "2.0.3",
-        "isarray": "1.0.0",
-        "process-nextick-args": "2.0.1",
-        "safe-buffer": "5.1.2",
-        "string_decoder": "1.1.1",
-        "util-deprecate": "1.0.2"
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
       }
     },
     "readdirp": {
@@ -2837,7 +2842,7 @@
       "integrity": "sha512-crk4Qu3pmXwgxdSgGhgA/eXiJAPQiX4GMOZZMXnqKxHX7TaoL+3gQVo/WeuAiogr07DpnfjIMpXXa+PAIvwPGQ==",
       "dev": true,
       "requires": {
-        "picomatch": "2.2.2"
+        "picomatch": "^2.0.4"
       }
     },
     "redent": {
@@ -2845,8 +2850,8 @@
       "resolved": "https://registry.npmjs.org/redent/-/redent-1.0.0.tgz",
       "integrity": "sha1-z5Fqsf1fHxbfsggi3W7H9zDCr94=",
       "requires": {
-        "indent-string": "2.1.0",
-        "strip-indent": "1.0.1"
+        "indent-string": "^2.1.0",
+        "strip-indent": "^1.0.1"
       }
     },
     "regenerator-runtime": {
@@ -2864,7 +2869,7 @@
       "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
       "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
       "requires": {
-        "is-finite": "1.1.0"
+        "is-finite": "^1.0.0"
       }
     },
     "request": {
@@ -2872,26 +2877,26 @@
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
       "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
       "requires": {
-        "aws-sign2": "0.7.0",
-        "aws4": "1.10.0",
-        "caseless": "0.12.0",
-        "combined-stream": "1.0.8",
-        "extend": "3.0.2",
-        "forever-agent": "0.6.1",
-        "form-data": "2.3.3",
-        "har-validator": "5.1.3",
-        "http-signature": "1.2.0",
-        "is-typedarray": "1.0.0",
-        "isstream": "0.1.2",
-        "json-stringify-safe": "5.0.1",
-        "mime-types": "2.1.27",
-        "oauth-sign": "0.9.0",
-        "performance-now": "2.1.0",
-        "qs": "6.5.2",
-        "safe-buffer": "5.1.2",
-        "tough-cookie": "2.5.0",
-        "tunnel-agent": "0.6.0",
-        "uuid": "3.4.0"
+        "aws-sign2": "~0.7.0",
+        "aws4": "^1.8.0",
+        "caseless": "~0.12.0",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.3.2",
+        "har-validator": "~5.1.3",
+        "http-signature": "~1.2.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.5.0",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.3.2"
       }
     },
     "require-directory": {
@@ -2909,7 +2914,7 @@
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
       "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
       "requires": {
-        "path-parse": "1.0.6"
+        "path-parse": "^1.0.6"
       }
     },
     "retry-as-promised": {
@@ -2917,7 +2922,7 @@
       "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-3.2.0.tgz",
       "integrity": "sha512-CybGs60B7oYU/qSQ6kuaFmRd9sTZ6oXSc0toqePvV74Ac6/IFZSI1ReFQmtCN+uvW1Mtqdwpvt/LGOiCBAY2Mg==",
       "requires": {
-        "any-promise": "1.3.0"
+        "any-promise": "^1.3.0"
       }
     },
     "right-align": {
@@ -2925,7 +2930,7 @@
       "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
       "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
       "requires": {
-        "align-text": "0.1.4"
+        "align-text": "^0.1.1"
       }
     },
     "rimraf": {
@@ -2933,7 +2938,7 @@
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
       "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
       "requires": {
-        "glob": "7.1.6"
+        "glob": "^7.1.3"
       }
     },
     "safe-buffer": {
@@ -2951,10 +2956,10 @@
       "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.5.tgz",
       "integrity": "sha512-VFWDAHOe6mRuT4mZRd4eKE+d8Uedrk6Xnh7Sh9b4NGufQLQjOrvf/MQoOdx+0s92L89FeyUUNfU597j/3uNpag==",
       "requires": {
-        "glob": "7.1.6",
-        "lodash": "4.17.15",
-        "scss-tokenizer": "0.2.3",
-        "yargs": "13.3.2"
+        "glob": "^7.0.0",
+        "lodash": "^4.0.0",
+        "scss-tokenizer": "^0.2.3",
+        "yargs": "^13.3.2"
       }
     },
     "sax": {
@@ -2968,8 +2973,8 @@
       "resolved": "https://registry.npmjs.org/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz",
       "integrity": "sha1-jrBtualyMzOCTT9VMGQRSYR85dE=",
       "requires": {
-        "js-base64": "2.5.2",
-        "source-map": "0.4.4"
+        "js-base64": "^2.1.8",
+        "source-map": "^0.4.2"
       }
     },
     "semver": {
@@ -2983,18 +2988,18 @@
       "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
       "requires": {
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "destroy": "1.0.4",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "1.6.3",
+        "http-errors": "~1.6.2",
         "mime": "1.4.1",
         "ms": "2.0.0",
-        "on-finished": "2.3.0",
-        "range-parser": "1.2.1",
-        "statuses": "1.4.0"
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.0",
+        "statuses": "~1.4.0"
       }
     },
     "sequelize": {
@@ -3002,21 +3007,21 @@
       "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-5.21.12.tgz",
       "integrity": "sha512-WRTXLoH72HQnlEUbKI1Iev2yS1/epg72Chz0fHqk0MLn4Wj2pH/TS01lpMDGQqxZPXCxRGrwk1YxwUw2C0yI9A==",
       "requires": {
-        "bluebird": "3.7.2",
-        "cls-bluebird": "2.1.0",
-        "debug": "4.1.1",
-        "dottie": "2.0.2",
+        "bluebird": "^3.5.0",
+        "cls-bluebird": "^2.1.0",
+        "debug": "^4.1.1",
+        "dottie": "^2.0.0",
         "inflection": "1.12.0",
-        "lodash": "4.17.15",
-        "moment": "2.26.0",
-        "moment-timezone": "0.5.31",
-        "retry-as-promised": "3.2.0",
-        "semver": "6.3.0",
-        "sequelize-pool": "2.3.0",
-        "toposort-class": "1.0.1",
-        "uuid": "3.4.0",
-        "validator": "10.11.0",
-        "wkx": "0.4.8"
+        "lodash": "^4.17.15",
+        "moment": "^2.24.0",
+        "moment-timezone": "^0.5.21",
+        "retry-as-promised": "^3.2.0",
+        "semver": "^6.3.0",
+        "sequelize-pool": "^2.3.0",
+        "toposort-class": "^1.0.1",
+        "uuid": "^3.3.3",
+        "validator": "^10.11.0",
+        "wkx": "^0.4.8"
       },
       "dependencies": {
         "debug": {
@@ -3024,7 +3029,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "ms": {
@@ -3044,14 +3049,14 @@
       "resolved": "https://registry.npmjs.org/sequelize-cli/-/sequelize-cli-5.5.1.tgz",
       "integrity": "sha512-ZM4kUZvY3y14y+Rq3cYxGH7YDJz11jWHcN2p2x7rhAIemouu4CEXr5ebw30lzTBtyXV4j2kTO+nUjZOqzG7k+Q==",
       "requires": {
-        "bluebird": "3.7.2",
-        "cli-color": "1.4.0",
-        "fs-extra": "7.0.1",
-        "js-beautify": "1.11.0",
-        "lodash": "4.17.15",
-        "resolve": "1.17.0",
-        "umzug": "2.3.0",
-        "yargs": "13.3.2"
+        "bluebird": "^3.5.3",
+        "cli-color": "^1.4.0",
+        "fs-extra": "^7.0.1",
+        "js-beautify": "^1.8.8",
+        "lodash": "^4.17.5",
+        "resolve": "^1.5.0",
+        "umzug": "^2.1.0",
+        "yargs": "^13.1.0"
       }
     },
     "sequelize-pool": {
@@ -3064,9 +3069,9 @@
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
       "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
       "requires": {
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "parseurl": "1.3.3",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.2",
         "send": "0.16.2"
       }
     },
@@ -3100,12 +3105,12 @@
       "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.3.0.tgz",
       "integrity": "sha512-2A892lrj0GcgR/9Qk81EaY2gYhCBxurV0PfmmESO6p27QPrUK1J3zdns+5QPqvUYK2q657nSj0guoIil9+7eFg==",
       "requires": {
-        "debug": "4.1.1",
-        "engine.io": "3.4.2",
-        "has-binary2": "1.0.3",
-        "socket.io-adapter": "1.1.2",
+        "debug": "~4.1.0",
+        "engine.io": "~3.4.0",
+        "has-binary2": "~1.0.2",
+        "socket.io-adapter": "~1.1.0",
         "socket.io-client": "2.3.0",
-        "socket.io-parser": "3.4.1"
+        "socket.io-parser": "~3.4.0"
       },
       "dependencies": {
         "debug": {
@@ -3113,7 +3118,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "ms": {
@@ -3137,15 +3142,15 @@
         "base64-arraybuffer": "0.1.5",
         "component-bind": "1.0.0",
         "component-emitter": "1.2.1",
-        "debug": "4.1.1",
-        "engine.io-client": "3.4.3",
-        "has-binary2": "1.0.3",
+        "debug": "~4.1.0",
+        "engine.io-client": "~3.4.0",
+        "has-binary2": "~1.0.2",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
         "object-component": "0.0.3",
         "parseqs": "0.0.5",
         "parseuri": "0.0.5",
-        "socket.io-parser": "3.3.0",
+        "socket.io-parser": "~3.3.0",
         "to-array": "0.1.4"
       },
       "dependencies": {
@@ -3154,7 +3159,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "isarray": {
@@ -3173,7 +3178,7 @@
           "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
           "requires": {
             "component-emitter": "1.2.1",
-            "debug": "3.1.0",
+            "debug": "~3.1.0",
             "isarray": "2.0.1"
           },
           "dependencies": {
@@ -3200,7 +3205,7 @@
       "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
       "requires": {
         "component-emitter": "1.2.1",
-        "debug": "4.1.1",
+        "debug": "~4.1.0",
         "isarray": "2.0.1"
       },
       "dependencies": {
@@ -3209,7 +3214,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.1.2"
+            "ms": "^2.1.1"
           }
         },
         "isarray": {
@@ -3229,7 +3234,7 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
       "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
       "requires": {
-        "amdefine": "1.0.1"
+        "amdefine": ">=0.0.4"
       }
     },
     "spdx-correct": {
@@ -3237,8 +3242,8 @@
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",
       "integrity": "sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==",
       "requires": {
-        "spdx-expression-parse": "3.0.1",
-        "spdx-license-ids": "3.0.5"
+        "spdx-expression-parse": "^3.0.0",
+        "spdx-license-ids": "^3.0.0"
       }
     },
     "spdx-exceptions": {
@@ -3251,8 +3256,8 @@
       "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz",
       "integrity": "sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==",
       "requires": {
-        "spdx-exceptions": "2.3.0",
-        "spdx-license-ids": "3.0.5"
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
       }
     },
     "spdx-license-ids": {
@@ -3265,7 +3270,7 @@
       "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
       "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
       "requires": {
-        "through": "2.3.8"
+        "through": "2"
       }
     },
     "sprintf-js": {
@@ -3281,8 +3286,8 @@
       "dev": true,
       "requires": {
         "node-addon-api": "2.0.0",
-        "node-gyp": "3.8.0",
-        "node-pre-gyp": "0.11.0"
+        "node-gyp": "3.x",
+        "node-pre-gyp": "^0.11.0"
       }
     },
     "sshpk": {
@@ -3290,15 +3295,15 @@
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
       "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
-        "asn1": "0.2.4",
-        "assert-plus": "1.0.0",
-        "bcrypt-pbkdf": "1.0.2",
-        "dashdash": "1.14.1",
-        "ecc-jsbn": "0.1.2",
-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "safer-buffer": "2.1.2",
-        "tweetnacl": "0.14.5"
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
       }
     },
     "statuses": {
@@ -3311,7 +3316,7 @@
       "resolved": "https://registry.npmjs.org/stdout-stream/-/stdout-stream-1.4.1.tgz",
       "integrity": "sha512-j4emi03KXqJWcIeF8eIXkjMFN1Cmb8gUlDYGeBALLPo5qdyTfA9bOtl8m33lRoC+vFMkP3gl0WsDr6+gzxbbTA==",
       "requires": {
-        "readable-stream": "2.3.7"
+        "readable-stream": "^2.0.1"
       }
     },
     "string-width": {
@@ -3319,9 +3324,9 @@
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "requires": {
-        "code-point-at": "1.1.0",
-        "is-fullwidth-code-point": "1.0.0",
-        "strip-ansi": "3.0.1"
+        "code-point-at": "^1.0.0",
+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
       }
     },
     "string.prototype.trimend": {
@@ -3330,8 +3335,8 @@
       "integrity": "sha512-LRPxFUaTtpqYsTeNKaFOw3R4bxIzWOnbQ837QfBylo8jIxtcbK/A/sMV7Q+OAV/vWo+7s25pOE10KYSjaSO06g==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "es-abstract": "1.17.5"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
       }
     },
     "string.prototype.trimleft": {
@@ -3340,9 +3345,9 @@
       "integrity": "sha512-gCA0tza1JBvqr3bfAIFJGqfdRTyPae82+KTnm3coDXkZN9wnuW3HjGgN386D7hfv5CHQYCI022/rJPVlqXyHSw==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "es-abstract": "1.17.5",
-        "string.prototype.trimstart": "1.0.1"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5",
+        "string.prototype.trimstart": "^1.0.0"
       }
     },
     "string.prototype.trimright": {
@@ -3351,9 +3356,9 @@
       "integrity": "sha512-ZNRQ7sY3KroTaYjRS6EbNiiHrOkjihL9aQE/8gfQ4DtAC/aEBRHFJa44OmoWxGGqXuJlfKkZW4WcXErGr+9ZFg==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "es-abstract": "1.17.5",
-        "string.prototype.trimend": "1.0.1"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5",
+        "string.prototype.trimend": "^1.0.0"
       }
     },
     "string.prototype.trimstart": {
@@ -3362,8 +3367,8 @@
       "integrity": "sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.3",
-        "es-abstract": "1.17.5"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
       }
     },
     "string_decoder": {
@@ -3371,7 +3376,7 @@
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "requires": {
-        "safe-buffer": "5.1.2"
+        "safe-buffer": "~5.1.0"
       }
     },
     "strip-ansi": {
@@ -3379,7 +3384,7 @@
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "strip-bom": {
@@ -3387,7 +3392,7 @@
       "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
       "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
       "requires": {
-        "is-utf8": "0.2.1"
+        "is-utf8": "^0.2.0"
       }
     },
     "strip-indent": {
@@ -3395,7 +3400,7 @@
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-1.0.1.tgz",
       "integrity": "sha1-DHlipq3vp7vUrDZkYKY4VSrhoKI=",
       "requires": {
-        "get-stdin": "4.0.1"
+        "get-stdin": "^4.0.1"
       }
     },
     "strip-json-comments": {
@@ -3410,17 +3415,17 @@
       "integrity": "sha512-OUDHEssirmplo3F+1HWKUrUjvnQuA+nZI6i/JJBdXb5eq9IyEQwPyPpqND+SSsxf6TygpBEkUjISVRN4/VOpeg==",
       "dev": true,
       "requires": {
-        "component-emitter": "1.3.0",
-        "cookiejar": "2.1.2",
-        "debug": "4.2.0",
-        "fast-safe-stringify": "2.0.7",
-        "form-data": "3.0.0",
-        "formidable": "1.2.2",
-        "methods": "1.1.2",
-        "mime": "2.4.6",
-        "qs": "6.9.4",
-        "readable-stream": "3.6.0",
-        "semver": "7.3.2"
+        "component-emitter": "^1.3.0",
+        "cookiejar": "^2.1.2",
+        "debug": "^4.1.1",
+        "fast-safe-stringify": "^2.0.7",
+        "form-data": "^3.0.0",
+        "formidable": "^1.2.2",
+        "methods": "^1.1.2",
+        "mime": "^2.4.6",
+        "qs": "^6.9.4",
+        "readable-stream": "^3.6.0",
+        "semver": "^7.3.2"
       },
       "dependencies": {
         "component-emitter": {
@@ -3444,9 +3449,9 @@
           "integrity": "sha512-CKMFDglpbMi6PyN+brwB9Q/GOw0eAnsrEZDgcsH5Krhz5Od/haKHAX0NmQfha2zPPz0JpWzA7GJHGSnvCRLWsg==",
           "dev": true,
           "requires": {
-            "asynckit": "0.4.0",
-            "combined-stream": "1.0.8",
-            "mime-types": "2.1.27"
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.8",
+            "mime-types": "^2.1.12"
           }
         },
         "mime": {
@@ -3473,9 +3478,9 @@
           "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
           "dev": true,
           "requires": {
-            "inherits": "2.0.3",
-            "string_decoder": "1.1.1",
-            "util-deprecate": "1.0.2"
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
           }
         },
         "semver": {
@@ -3506,9 +3511,9 @@
       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
       "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
       "requires": {
-        "block-stream": "0.0.9",
-        "fstream": "1.0.12",
-        "inherits": "2.0.3"
+        "block-stream": "*",
+        "fstream": "^1.0.12",
+        "inherits": "2"
       }
     },
     "through": {
@@ -3521,8 +3526,8 @@
       "resolved": "https://registry.npmjs.org/timers-ext/-/timers-ext-0.1.7.tgz",
       "integrity": "sha512-b85NUNzTSdodShTIbky6ZF02e8STtVVfD+fu4aXXShEELpozH+bCpJLYMPZbsABN2wDH7fJpqIoXxJpzbf0NqQ==",
       "requires": {
-        "es5-ext": "0.10.53",
-        "next-tick": "1.0.0"
+        "es5-ext": "~0.10.46",
+        "next-tick": "1"
       }
     },
     "to-array": {
@@ -3541,7 +3546,7 @@
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
       "dev": true,
       "requires": {
-        "is-number": "7.0.0"
+        "is-number": "^7.0.0"
       }
     },
     "token-stream": {
@@ -3559,8 +3564,8 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
       "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
       "requires": {
-        "psl": "1.8.0",
-        "punycode": "2.1.1"
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
       }
     },
     "trim-newlines": {
@@ -3573,7 +3578,7 @@
       "resolved": "https://registry.npmjs.org/true-case-path/-/true-case-path-1.0.3.tgz",
       "integrity": "sha512-m6s2OdQe5wgpFMC+pAJ+q9djG82O2jcHPOI6RNg1yy9rCYR+WD6Nbpl32fDpfC56nirdRy+opFa/Vk7HYhqaew==",
       "requires": {
-        "glob": "7.1.6"
+        "glob": "^7.1.2"
       }
     },
     "tunnel-agent": {
@@ -3581,7 +3586,7 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "5.1.2"
+        "safe-buffer": "^5.0.1"
       }
     },
     "tweetnacl": {
@@ -3606,7 +3611,7 @@
       "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.27"
+        "mime-types": "~2.1.24"
       }
     },
     "uglify-js": {
@@ -3614,9 +3619,9 @@
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
       "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
       "requires": {
-        "source-map": "0.5.7",
-        "uglify-to-browserify": "1.0.2",
-        "yargs": "3.10.0"
+        "source-map": "~0.5.1",
+        "uglify-to-browserify": "~1.0.0",
+        "yargs": "~3.10.0"
       },
       "dependencies": {
         "camelcase": {
@@ -3629,8 +3634,8 @@
           "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
           "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
           "requires": {
-            "center-align": "0.1.3",
-            "right-align": "0.1.3",
+            "center-align": "^0.1.1",
+            "right-align": "^0.1.1",
             "wordwrap": "0.0.2"
           }
         },
@@ -3644,9 +3649,9 @@
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "requires": {
-            "camelcase": "1.2.1",
-            "cliui": "2.1.0",
-            "decamelize": "1.2.0",
+            "camelcase": "^1.0.2",
+            "cliui": "^2.1.0",
+            "decamelize": "^1.0.0",
             "window-size": "0.1.0"
           }
         }
@@ -3671,7 +3676,7 @@
       "resolved": "https://registry.npmjs.org/umzug/-/umzug-2.3.0.tgz",
       "integrity": "sha512-Z274K+e8goZK8QJxmbRPhl89HPO1K+ORFtm6rySPhFKfKc5GHhqdzD0SGhSWHkzoXasqJuItdhorSvY7/Cgflw==",
       "requires": {
-        "bluebird": "3.7.2"
+        "bluebird": "^3.7.2"
       }
     },
     "universalify": {
@@ -3689,7 +3694,7 @@
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
       "requires": {
-        "punycode": "2.1.1"
+        "punycode": "^2.1.0"
       }
     },
     "util-deprecate": {
@@ -3712,8 +3717,8 @@
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
       "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
       "requires": {
-        "spdx-correct": "3.1.1",
-        "spdx-expression-parse": "3.0.1"
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
       }
     },
     "validator": {
@@ -3731,9 +3736,9 @@
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
       }
     },
     "void-elements": {
@@ -3746,7 +3751,7 @@
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -3759,7 +3764,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "requires": {
-        "string-width": "1.0.2"
+        "string-width": "^1.0.2 || 2"
       }
     },
     "window-size": {
@@ -3772,8 +3777,8 @@
       "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",
       "integrity": "sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=",
       "requires": {
-        "acorn": "3.3.0",
-        "acorn-globals": "3.1.0"
+        "acorn": "^3.1.0",
+        "acorn-globals": "^3.0.0"
       }
     },
     "wkx": {
@@ -3781,7 +3786,7 @@
       "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.8.tgz",
       "integrity": "sha512-ikPXMM9IR/gy/LwiOSqWlSL3X/J5uk9EO2hHNRXS41eTLXaUFEVw9fn/593jW/tE5tedNg8YjT5HkCa4FqQZyQ==",
       "requires": {
-        "@types/node": "14.0.11"
+        "@types/node": "*"
       }
     },
     "wordwrap": {
@@ -3794,9 +3799,9 @@
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
       "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
       "requires": {
-        "ansi-styles": "3.2.1",
-        "string-width": "3.1.0",
-        "strip-ansi": "5.2.0"
+        "ansi-styles": "^3.2.0",
+        "string-width": "^3.0.0",
+        "strip-ansi": "^5.0.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -3809,7 +3814,7 @@
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
           "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "requires": {
-            "color-convert": "1.9.3"
+            "color-convert": "^1.9.0"
           }
         },
         "is-fullwidth-code-point": {
@@ -3822,9 +3827,9 @@
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
           "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "requires": {
-            "emoji-regex": "7.0.3",
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "5.2.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
@@ -3832,7 +3837,7 @@
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "requires": {
-            "ansi-regex": "4.1.0"
+            "ansi-regex": "^4.1.0"
           }
         }
       }
@@ -3872,16 +3877,16 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
       "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "requires": {
-        "cliui": "5.0.0",
-        "find-up": "3.0.0",
-        "get-caller-file": "2.0.5",
-        "require-directory": "2.1.1",
-        "require-main-filename": "2.0.0",
-        "set-blocking": "2.0.0",
-        "string-width": "3.1.0",
-        "which-module": "2.0.0",
-        "y18n": "4.0.0",
-        "yargs-parser": "13.1.2"
+        "cliui": "^5.0.0",
+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.2"
       },
       "dependencies": {
         "ansi-regex": {
@@ -3894,7 +3899,7 @@
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
           "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
           "requires": {
-            "locate-path": "3.0.0"
+            "locate-path": "^3.0.0"
           }
         },
         "is-fullwidth-code-point": {
@@ -3907,9 +3912,9 @@
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
           "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "requires": {
-            "emoji-regex": "7.0.3",
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "5.2.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
@@ -3917,7 +3922,7 @@
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "requires": {
-            "ansi-regex": "4.1.0"
+            "ansi-regex": "^4.1.0"
           }
         }
       }
@@ -3927,8 +3932,8 @@
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
       "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "requires": {
-        "camelcase": "5.3.1",
-        "decamelize": "1.2.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       },
       "dependencies": {
         "camelcase": {
@@ -3944,9 +3949,9 @@
       "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
       "dev": true,
       "requires": {
-        "flat": "4.1.0",
-        "lodash": "4.17.15",
-        "yargs": "13.3.2"
+        "flat": "^4.1.0",
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
       }
     },
     "yeast": {
diff --git a/package.json b/package.json
index b3b2aea..becdeae 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
   "dependencies": {
     "cookie-parser": "~1.4.4",
     "debug": "~2.6.9",
+    "emailjs": "^3.3.0",
     "express": "~4.16.1",
     "express-session": "^1.17.1",
     "http-errors": "~1.6.3",
diff --git a/routes/email.js b/routes/email.js
new file mode 100644
index 0000000..6ff63fd
--- /dev/null
+++ b/routes/email.js
@@ -0,0 +1,23 @@
+const express = require("express");
+const router = express.Router();
+const models = require("../models");
+const error = require("./utils/error");
+
+router.get("/check", async (req, res) => {
+    if (!req.query.token)
+        return error(req, res, "Missing argument", 400);
+    let user = await models.User.findOne({where: {"emailToken": req.query.token}});
+    if (user) {
+        user.emailVerified = true;
+        if (user.email.endsWith("@etu.univ-lyon1.fr"))
+            user.permissions = 1;
+        else if (user.email.endsWith("@univ-lyon1.fr"))
+            user.permissions = 2;
+        await user.save();
+        res.redirect("/");
+    } else
+        return error(req, res, "Invalid token", 4000);
+});
+
+
+module.exports = router;
diff --git a/sockets/email/checkResend.js b/sockets/email/checkResend.js
new file mode 100644
index 0000000..c6004cb
--- /dev/null
+++ b/sockets/email/checkResend.js
@@ -0,0 +1,14 @@
+const modules = require("../../models");
+const emailCheck = require("../utils/emailCheck");
+
+module.exports = socket => {
+    return async (data) => {
+        let user = await modules.User.findByPk(data.email);
+        if (!user)
+            socket.emit("checkResend", {error: {message: "not_found"}});
+        else if (user.emailVerified)
+            socket.emit("checkResend", {error: {message: "verified_email"}});
+        else
+            await emailCheck(socket, user, null);
+    }
+}
diff --git a/sockets/login.js b/sockets/login.js
index a38c504..67e01a1 100644
--- a/sockets/login.js
+++ b/sockets/login.js
@@ -3,18 +3,16 @@ const modules = require("../models");
 module.exports = socket => {
     return async (data) => {
         let user = await modules.User.findByPk(data.email);
-        if (!user) {
-            socket.emit("login", null);
-            return;
+        if (!user)
+            socket.emit("login", {error: {message: "not_found"}});
+        else if (!user.checkPassword(data.password))
+            socket.emit("login", {error: {message: "invalid_password"}});
+        else if (!user.emailVerified)
+            socket.emit("login", {error: {message: "email_not_verified"}});
+        else {
+            socket.request.session.user = user;
+            socket.request.session.save();
+            socket.emit("login", user)
         }
-
-        if (!user.checkPassword(data.password)) {
-            socket.emit("login", null);
-            return;
-        }
-
-        socket.request.session.user = user;
-        socket.request.session.save();
-        socket.emit("login", user)
     }
 }
diff --git a/sockets/register.js b/sockets/register.js
index 334d790..c051f4b 100644
--- a/sockets/register.js
+++ b/sockets/register.js
@@ -1,21 +1,21 @@
 const modules = require("../models");
+const emailCheck = require("./utils/emailCheck");
 
 module.exports = socket => {
     return async (data) => {
-        if (await modules.User.findByPk(data.email) || !data.email.endsWith("univ-lyon1.fr")) {
-            socket.emit("register", null);
-            return;
+        if (await modules.User.findByPk(data.email))
+            socket.emit("register", {error: {message: "email_used"}});
+        else if ((!data.email.endsWith("@univ-lyon1.fr")) && (!data.email.endsWith("@etu.univ-lyon1.fr")))
+            socket.emit("register", {error: {message: "invalid_email"}});
+        else {
+            let user = await modules.User.create({
+                email: data.email,
+                firstName: data.firstName,
+                lastName: data.lastName,
+                passwordHash: data.password
+            });
+
+            await emailCheck(socket, user, null);
         }
-
-        let user = await modules.User.create({
-            email: data.email,
-            firstName: data.firstName,
-            lastName: data.lastName,
-            passwordHash: data.password
-        });
-
-        socket.request.session.user = user;
-        socket.request.session.save();
-        socket.emit("register", user);
     }
 }
diff --git a/sockets/utils/emailCheck.js b/sockets/utils/emailCheck.js
new file mode 100644
index 0000000..9b1e818
--- /dev/null
+++ b/sockets/utils/emailCheck.js
@@ -0,0 +1,27 @@
+let crypto = require("crypto");
+let models = require("../../models");
+let Message = require("emailjs").Message;
+const config = require("../../config/config.json");
+
+
+module.exports = async (socket, user, callBack) => {
+    let token = crypto.randomBytes(16).toString("hex");
+
+    while (await models.User.findOne({where: {emailToken: token}}))
+        token = crypto.randomBytes(16).toString("hex");
+    user.emailToken = token;
+    await user.save();
+
+    socket.server.mailClient.send( new Message({
+        text: `${config.email.mailPath}/email/check?token=${token}`,
+        from: config.email.from,
+        to: user.email,
+        subject: "Email check"
+    }), (err, message) => {
+        if (err)
+            socket.emit("register", null);
+        else
+            if (callBack)
+                callBack();
+    });
+};