diff --git a/api/package.json b/api/package.json
index e87f3d8..5fe490a 100644
--- a/api/package.json
+++ b/api/package.json
@@ -16,16 +16,20 @@
   "author": "Amir Imani",
   "license": "ISC",
   "dependencies": {
+    "@types/bcrypt-nodejs": "^0.0.31",
     "@types/compression": "^1.0.1",
     "@types/errorhandler": "^0.0.32",
+    "@types/mongoose": "^5.7.1",
     "@types/morgan": "^1.7.37",
     "@types/node": "^13.5.2",
+    "bcrypt-nodejs": "^0.0.3",
     "body-parser": "^1.19.0",
     "compression": "^1.7.4",
     "errorhandler": "^1.5.1",
     "express": "^4.17.1",
     "express-session": "^1.17.0",
     "global": "^4.4.0",
+    "mongoose": "^5.9.0",
     "morgan": "^1.9.1",
     "tslint": "^6.0.0",
     "typescript": "^3.7.5"
diff --git a/api/src/models/User.ts b/api/src/models/User.ts
index e69de29..4cfb7b3 100644
--- a/api/src/models/User.ts
+++ b/api/src/models/User.ts
@@ -0,0 +1,65 @@
+import mongoose from 'mongoose';
+import bcrypt from 'bcrypt-nodejs';
+
+export type UserDocument = mongoose.Document & {
+  email: string;
+  passowrd: string;
+  tokens: AuthToken[];
+  comparePassword: comparePasswordFunction;
+};
+
+export interface AuthToken {
+  accessToken: string;
+  kind: string;
+}
+type comparePasswordFunction = (
+  candidatePassword: string,
+  cb: (err: any, isMatch: any) => {}
+) => void;
+
+const userSchema = new mongoose.Schema(
+  {
+    email: { type: String, unique: true },
+    passowrd: { type: String },
+    profile: {
+      email: String
+    }
+  },
+  { timestamps: true }
+);
+
+userSchema.pre('save', function save(next) {
+  const user = this as UserDocument;
+  if (!user.isModified('password')) {
+    return next();
+  }
+  bcrypt.genSalt(10, (err, salt) => {
+    if (err) {
+      return next(err);
+    }
+    bcrypt.hash(user.passowrd, salt, undefined, (err: mongoose.Error, hash) => {
+      if (err) {
+        return next(err);
+      }
+      user.passowrd = hash;
+      return next();
+    });
+  });
+});
+
+const comparePassword: comparePasswordFunction = function(
+  candidatePassword,
+  cb
+) {
+  bcrypt.compare(
+    candidatePassword,
+    this.passowrd,
+    (err: mongoose.Error, isMatch: Boolean) => {
+      cb(err, isMatch);
+    }
+  );
+};
+
+userSchema.methods.comparePassord = comparePassword;
+
+export const User = mongoose.model<UserDocument>('User', userSchema);
diff --git a/api/yarn-error.log b/api/yarn-error.log
new file mode 100644
index 0000000..4583c2a
--- /dev/null
+++ b/api/yarn-error.log
@@ -0,0 +1,1074 @@
+Arguments: 
+  /usr/bin/node /usr/bin/yarn add crypto @types/crypto
+
+PATH: 
+  /home/amir/.rvm/gems/ruby-2.6.3/bin:/home/amir/.rvm/gems/ruby-2.6.3@global/bin:/home/amir/.rvm/rubies/ruby-2.6.3/bin:/home/amir/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/var/lib/snapd/snap/bin:/home/amir/.rvm/bin
+
+Yarn version: 
+  1.21.1
+
+Node version: 
+  13.3.0
+
+Platform: 
+  linux x64
+
+Trace: 
+  Error: https://registry.yarnpkg.com/@types%2fcrypto: Not found
+      at Request.params.callback [as _callback] (/usr/lib/node_modules/yarn/lib/cli.js:66947:18)
+      at Request.self.callback (/usr/lib/node_modules/yarn/lib/cli.js:140665:22)
+      at Request.emit (events.js:219:5)
+      at Request.<anonymous> (/usr/lib/node_modules/yarn/lib/cli.js:141637:10)
+      at Request.emit (events.js:219:5)
+      at IncomingMessage.<anonymous> (/usr/lib/node_modules/yarn/lib/cli.js:141559:12)
+      at Object.onceWrapper (events.js:308:28)
+      at IncomingMessage.emit (events.js:224:7)
+      at endReadableNT (_stream_readable.js:1206:12)
+      at processTicksAndRejections (internal/process/task_queues.js:84:21)
+
+npm manifest: 
+  {
+    "name": "api",
+    "version": "1.0.0",
+    "description": "Simple currency and country lookup api",
+    "main": "server.js",
+    "scripts": {
+      "test": "echo \"Error: no test specified\" && exit 1",
+      "start": "npm run serve",
+      "build": "npm run build-ts",
+      "serve": "node dist/server.js",
+      "watch-node": "nodemon dist/server.js",
+      "watch": "concurrently -k -p \"[{name}]\" -n \"Sass,TypeScript,Node\" -c \"yellow.bold,cyan.bold,green.bold\" \"npm run watch-sass\" \"npm run watch-ts\" \"npm run watch-node\"",
+      "build-ts": "tsc",
+      "watch-ts": "tsc -w"
+    },
+    "author": "Amir Imani",
+    "license": "ISC",
+    "dependencies": {
+      "@types/compression": "^1.0.1",
+      "@types/errorhandler": "^0.0.32",
+      "@types/mongoose": "^5.7.1",
+      "@types/morgan": "^1.7.37",
+      "@types/node": "^13.5.2",
+      "body-parser": "^1.19.0",
+      "compression": "^1.7.4",
+      "errorhandler": "^1.5.1",
+      "express": "^4.17.1",
+      "express-session": "^1.17.0",
+      "global": "^4.4.0",
+      "mongoose": "^5.9.0",
+      "morgan": "^1.9.1",
+      "tslint": "^6.0.0",
+      "typescript": "^3.7.5"
+    }
+  }
+
+yarn manifest: 
+  No manifest
+
+Lockfile: 
+  # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+  # yarn lockfile v1
+  
+  
+  "@babel/code-frame@^7.0.0":
+    version "7.8.3"
+    resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
+    integrity sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==
+    dependencies:
+      "@babel/highlight" "^7.8.3"
+  
+  "@babel/highlight@^7.8.3":
+    version "7.8.3"
+    resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.8.3.tgz#28f173d04223eaaa59bc1d439a3836e6d1265797"
+    integrity sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==
+    dependencies:
+      chalk "^2.0.0"
+      esutils "^2.0.2"
+      js-tokens "^4.0.0"
+  
+  "@types/body-parser@*":
+    version "1.17.1"
+    resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.1.tgz#18fcf61768fb5c30ccc508c21d6fd2e8b3bf7897"
+    integrity sha512-RoX2EZjMiFMjZh9lmYrwgoP9RTpAjSHiJxdp4oidAQVO02T7HER3xj9UKue5534ULWeqVEkujhWcyvUce+d68w==
+    dependencies:
+      "@types/connect" "*"
+      "@types/node" "*"
+  
+  "@types/bson@*":
+    version "4.0.1"
+    resolved "https://registry.yarnpkg.com/@types/bson/-/bson-4.0.1.tgz#2bfc80819e7055b76d5496d5344ed23e5d12bbb2"
+    integrity sha512-K6VAEdLVJFBxKp8m5cRTbUfeZpuSvOuLKJLrgw9ANIXo00RiyGzgH4BKWWR4F520gV4tWmxG7q9sKQRVDuzrBw==
+    dependencies:
+      "@types/node" "*"
+  
+  "@types/compression@^1.0.1":
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/@types/compression/-/compression-1.0.1.tgz#f3682a6b3ce2dbd4aece48547153ebc592281fa7"
+    integrity sha512-GuoIYzD70h+4JUqUabsm31FGqvpCYHGKcLtor7nQ/YvUyNX0o9SJZ9boFI5HjFfbOda5Oe/XOvNK6FES8Y/79w==
+    dependencies:
+      "@types/express" "*"
+  
+  "@types/connect@*":
+    version "3.4.33"
+    resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.33.tgz#31610c901eca573b8713c3330abc6e6b9f588546"
+    integrity sha512-2+FrkXY4zllzTNfJth7jOqEHC+enpLeGslEhpnTAkg21GkRrWV4SsAtqchtT4YS9/nODBU2/ZfsBY2X4J/dX7A==
+    dependencies:
+      "@types/node" "*"
+  
+  "@types/errorhandler@^0.0.32":
+    version "0.0.32"
+    resolved "https://registry.yarnpkg.com/@types/errorhandler/-/errorhandler-0.0.32.tgz#387eca73957b481254baddc15d1d40f7fe7153c6"
+    integrity sha512-wC9CfwPMIzklPd5lEYC8HnQdlMC1PswlohWmEDMWlw+E/rMYuz5eSqKBc72Earb29KptKJrRl77qVRJzrZndww==
+    dependencies:
+      "@types/express" "*"
+  
+  "@types/express-serve-static-core@*":
+    version "4.17.2"
+    resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.2.tgz#f6f41fa35d42e79dbf6610eccbb2637e6008a0cf"
+    integrity sha512-El9yMpctM6tORDAiBwZVLMcxoTMcqqRO9dVyYcn7ycLWbvR8klrDn8CAOwRfZujZtWD7yS/mshTdz43jMOejbg==
+    dependencies:
+      "@types/node" "*"
+      "@types/range-parser" "*"
+  
+  "@types/express@*":
+    version "4.17.2"
+    resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.2.tgz#a0fb7a23d8855bac31bc01d5a58cadd9b2173e6c"
+    integrity sha512-5mHFNyavtLoJmnusB8OKJ5bshSzw+qkMIBAobLrIM48HJvunFva9mOa6aBwh64lBFyNwBbs0xiEFuj4eU/NjCA==
+    dependencies:
+      "@types/body-parser" "*"
+      "@types/express-serve-static-core" "*"
+      "@types/serve-static" "*"
+  
+  "@types/mime@*":
+    version "2.0.1"
+    resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
+    integrity sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==
+  
+  "@types/mongodb@*":
+    version "3.3.16"
+    resolved "https://registry.yarnpkg.com/@types/mongodb/-/mongodb-3.3.16.tgz#3b125aa0e31ef0f6733fcfcf507cce1324823a26"
+    integrity sha512-i1Ov36BXdp+urtPsaSvrNfCdsaVn4Ukq1m1kGyzdWB1+eg3gJ68unXU5LNmnF4EAMRFY6FXZzA7/W3NST40b8g==
+    dependencies:
+      "@types/bson" "*"
+      "@types/node" "*"
+  
+  "@types/mongoose@^5.7.1":
+    version "5.7.1"
+    resolved "https://registry.yarnpkg.com/@types/mongoose/-/mongoose-5.7.1.tgz#503d902e873dce8546f2fed6b8ed9c6474cb353d"
+    integrity sha512-lCe+ctykvXgI58bWlEAgladuVHmgSWbAuCMapy9+2m+aUm4DfjYGJ1HXIqubr+YflDN8hfjDaX7BGVxO/Fl06Q==
+    dependencies:
+      "@types/mongodb" "*"
+      "@types/node" "*"
+  
+  "@types/morgan@^1.7.37":
+    version "1.7.37"
+    resolved "https://registry.yarnpkg.com/@types/morgan/-/morgan-1.7.37.tgz#ebdd0b0f0276073f85283bf4f03c7c54284874df"
+    integrity sha512-tIdEA10BcHcOumMmUiiYdw8lhiVVq62r0ghih5Xpp4WETkfsMiTUZL4w9jCI502BBOrKhFrAOGml9IeELvVaBA==
+    dependencies:
+      "@types/express" "*"
+  
+  "@types/node@*", "@types/node@^13.5.2":
+    version "13.5.2"
+    resolved "https://registry.yarnpkg.com/@types/node/-/node-13.5.2.tgz#3de53b55fd39efc428a901a0f6db31f761cfa131"
+    integrity sha512-Fr6a47c84PRLfd7M7u3/hEknyUdQrrBA6VoPmkze0tcflhU5UnpWEX2kn12ktA/lb+MNHSqFlSiPHIHsaErTPA==
+  
+  "@types/range-parser@*":
+    version "1.2.3"
+    resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
+    integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
+  
+  "@types/serve-static@*":
+    version "1.13.3"
+    resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.3.tgz#eb7e1c41c4468272557e897e9171ded5e2ded9d1"
+    integrity sha512-oprSwp094zOglVrXdlo/4bAHtKTAxX6VT8FOZlBKrmyLbNvE1zxZyJ6yikMVtHIvwP45+ZQGJn+FdXGKTozq0g==
+    dependencies:
+      "@types/express-serve-static-core" "*"
+      "@types/mime" "*"
+  
+  accepts@~1.3.5, accepts@~1.3.7:
+    version "1.3.7"
+    resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
+    integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+    dependencies:
+      mime-types "~2.1.24"
+      negotiator "0.6.2"
+  
+  ansi-styles@^3.2.1:
+    version "3.2.1"
+    resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+    integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+    dependencies:
+      color-convert "^1.9.0"
+  
+  argparse@^1.0.7:
+    version "1.0.10"
+    resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+    integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
+    dependencies:
+      sprintf-js "~1.0.2"
+  
+  array-flatten@1.1.1:
+    version "1.1.1"
+    resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+    integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
+  
+  balanced-match@^1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+    integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+  
+  basic-auth@~2.0.0:
+    version "2.0.1"
+    resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+    integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+    dependencies:
+      safe-buffer "5.1.2"
+  
+  bl@^2.2.0:
+    version "2.2.0"
+    resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.0.tgz#e1a574cdf528e4053019bb800b041c0ac88da493"
+    integrity sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==
+    dependencies:
+      readable-stream "^2.3.5"
+      safe-buffer "^5.1.1"
+  
+  bluebird@3.5.1:
+    version "3.5.1"
+    resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+    integrity sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==
+  
+  body-parser@1.19.0, body-parser@^1.19.0:
+    version "1.19.0"
+    resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
+    integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
+    dependencies:
+      bytes "3.1.0"
+      content-type "~1.0.4"
+      debug "2.6.9"
+      depd "~1.1.2"
+      http-errors "1.7.2"
+      iconv-lite "0.4.24"
+      on-finished "~2.3.0"
+      qs "6.7.0"
+      raw-body "2.4.0"
+      type-is "~1.6.17"
+  
+  brace-expansion@^1.1.7:
+    version "1.1.11"
+    resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+    integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+    dependencies:
+      balanced-match "^1.0.0"
+      concat-map "0.0.1"
+  
+  bson@^1.1.1, bson@~1.1.1:
+    version "1.1.3"
+    resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.3.tgz#aa82cb91f9a453aaa060d6209d0675114a8154d3"
+    integrity sha512-TdiJxMVnodVS7r0BdL42y/pqC9cL2iKynVwA0Ho3qbsQYr428veL3l7BQyuqiw+Q5SqqoT0m4srSY/BlZ9AxXg==
+  
+  builtin-modules@^1.1.1:
+    version "1.1.1"
+    resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+    integrity sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=
+  
+  bytes@3.0.0:
+    version "3.0.0"
+    resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+    integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+  
+  bytes@3.1.0:
+    version "3.1.0"
+    resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
+    integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+  
+  chalk@^2.0.0, chalk@^2.3.0:
+    version "2.4.2"
+    resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+    integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+    dependencies:
+      ansi-styles "^3.2.1"
+      escape-string-regexp "^1.0.5"
+      supports-color "^5.3.0"
+  
+  color-convert@^1.9.0:
+    version "1.9.3"
+    resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+    integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+    dependencies:
+      color-name "1.1.3"
+  
+  color-name@1.1.3:
+    version "1.1.3"
+    resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+    integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+  
+  commander@^2.12.1:
+    version "2.20.3"
+    resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+    integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+  
+  compressible@~2.0.16:
+    version "2.0.18"
+    resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.18.tgz#af53cca6b070d4c3c0750fbd77286a6d7cc46fba"
+    integrity sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==
+    dependencies:
+      mime-db ">= 1.43.0 < 2"
+  
+  compression@^1.7.4:
+    version "1.7.4"
+    resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.4.tgz#95523eff170ca57c29a0ca41e6fe131f41e5bb8f"
+    integrity sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==
+    dependencies:
+      accepts "~1.3.5"
+      bytes "3.0.0"
+      compressible "~2.0.16"
+      debug "2.6.9"
+      on-headers "~1.0.2"
+      safe-buffer "5.1.2"
+      vary "~1.1.2"
+  
+  concat-map@0.0.1:
+    version "0.0.1"
+    resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+    integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+  
+  content-disposition@0.5.3:
+    version "0.5.3"
+    resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
+    integrity sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
+    dependencies:
+      safe-buffer "5.1.2"
+  
+  content-type@~1.0.4:
+    version "1.0.4"
+    resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+    integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+  
+  cookie-signature@1.0.6:
+    version "1.0.6"
+    resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+    integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
+  
+  cookie@0.4.0:
+    version "0.4.0"
+    resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
+    integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
+  
+  core-util-is@~1.0.0:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+    integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+  
+  debug@2.6.9:
+    version "2.6.9"
+    resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+    integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+    dependencies:
+      ms "2.0.0"
+  
+  debug@3.1.0:
+    version "3.1.0"
+    resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+    integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+    dependencies:
+      ms "2.0.0"
+  
+  denque@^1.4.1:
+    version "1.4.1"
+    resolved "https://registry.yarnpkg.com/denque/-/denque-1.4.1.tgz#6744ff7641c148c3f8a69c307e51235c1f4a37cf"
+    integrity sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ==
+  
+  depd@~1.1.2:
+    version "1.1.2"
+    resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+    integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+  
+  depd@~2.0.0:
+    version "2.0.0"
+    resolved "https://registry.yarnpkg.com/depd/-/depd-2.0.0.tgz#b696163cc757560d09cf22cc8fad1571b79e76df"
+    integrity sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==
+  
+  destroy@~1.0.4:
+    version "1.0.4"
+    resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+    integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+  
+  diff@^4.0.1:
+    version "4.0.2"
+    resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+    integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+  
+  dom-walk@^0.1.0:
+    version "0.1.1"
+    resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
+    integrity sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg=
+  
+  ee-first@1.1.1:
+    version "1.1.1"
+    resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+    integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+  
+  encodeurl@~1.0.2:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+    integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+  
+  errorhandler@^1.5.1:
+    version "1.5.1"
+    resolved "https://registry.yarnpkg.com/errorhandler/-/errorhandler-1.5.1.tgz#b9ba5d17cf90744cd1e851357a6e75bf806a9a91"
+    integrity sha512-rcOwbfvP1WTViVoUjcfZicVzjhjTuhSMntHh6mW3IrEiyE6mJyXvsToJUJGlGlw/2xU9P5whlWNGlIDVeCiT4A==
+    dependencies:
+      accepts "~1.3.7"
+      escape-html "~1.0.3"
+  
+  escape-html@~1.0.3:
+    version "1.0.3"
+    resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+    integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+  
+  escape-string-regexp@^1.0.5:
+    version "1.0.5"
+    resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+    integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+  
+  esprima@^4.0.0:
+    version "4.0.1"
+    resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+    integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+  
+  esutils@^2.0.2:
+    version "2.0.3"
+    resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+    integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+  
+  etag@~1.8.1:
+    version "1.8.1"
+    resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+    integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+  
+  express-session@^1.17.0:
+    version "1.17.0"
+    resolved "https://registry.yarnpkg.com/express-session/-/express-session-1.17.0.tgz#9b50dbb5e8a03c3537368138f072736150b7f9b3"
+    integrity sha512-t4oX2z7uoSqATbMfsxWMbNjAL0T5zpvcJCk3Z9wnPPN7ibddhnmDZXHfEcoBMG2ojKXZoCyPMc5FbtK+G7SoDg==
+    dependencies:
+      cookie "0.4.0"
+      cookie-signature "1.0.6"
+      debug "2.6.9"
+      depd "~2.0.0"
+      on-headers "~1.0.2"
+      parseurl "~1.3.3"
+      safe-buffer "5.2.0"
+      uid-safe "~2.1.5"
+  
+  express@^4.17.1:
+    version "4.17.1"
+    resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
+    integrity sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
+    dependencies:
+      accepts "~1.3.7"
+      array-flatten "1.1.1"
+      body-parser "1.19.0"
+      content-disposition "0.5.3"
+      content-type "~1.0.4"
+      cookie "0.4.0"
+      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"
+      finalhandler "~1.1.2"
+      fresh "0.5.2"
+      merge-descriptors "1.0.1"
+      methods "~1.1.2"
+      on-finished "~2.3.0"
+      parseurl "~1.3.3"
+      path-to-regexp "0.1.7"
+      proxy-addr "~2.0.5"
+      qs "6.7.0"
+      range-parser "~1.2.1"
+      safe-buffer "5.1.2"
+      send "0.17.1"
+      serve-static "1.14.1"
+      setprototypeof "1.1.1"
+      statuses "~1.5.0"
+      type-is "~1.6.18"
+      utils-merge "1.0.1"
+      vary "~1.1.2"
+  
+  finalhandler@~1.1.2:
+    version "1.1.2"
+    resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
+    integrity sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==
+    dependencies:
+      debug "2.6.9"
+      encodeurl "~1.0.2"
+      escape-html "~1.0.3"
+      on-finished "~2.3.0"
+      parseurl "~1.3.3"
+      statuses "~1.5.0"
+      unpipe "~1.0.0"
+  
+  forwarded@~0.1.2:
+    version "0.1.2"
+    resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+    integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
+  
+  fresh@0.5.2:
+    version "0.5.2"
+    resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+    integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+  
+  fs.realpath@^1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+    integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+  
+  glob@^7.1.1:
+    version "7.1.6"
+    resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+    integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+    dependencies:
+      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"
+  
+  global@^4.4.0:
+    version "4.4.0"
+    resolved "https://registry.yarnpkg.com/global/-/global-4.4.0.tgz#3e7b105179006a323ed71aafca3e9c57a5cc6406"
+    integrity sha512-wv/LAoHdRE3BeTGz53FAamhGlPLhlssK45usmGFThIi4XqnBmjKQ16u+RNbP7WvigRZDxUsM0J3gcQ5yicaL0w==
+    dependencies:
+      min-document "^2.19.0"
+      process "^0.11.10"
+  
+  has-flag@^3.0.0:
+    version "3.0.0"
+    resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+    integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+  
+  http-errors@1.7.2:
+    version "1.7.2"
+    resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
+    integrity sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
+    dependencies:
+      depd "~1.1.2"
+      inherits "2.0.3"
+      setprototypeof "1.1.1"
+      statuses ">= 1.5.0 < 2"
+      toidentifier "1.0.0"
+  
+  http-errors@~1.7.2:
+    version "1.7.3"
+    resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
+    integrity sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==
+    dependencies:
+      depd "~1.1.2"
+      inherits "2.0.4"
+      setprototypeof "1.1.1"
+      statuses ">= 1.5.0 < 2"
+      toidentifier "1.0.0"
+  
+  iconv-lite@0.4.24:
+    version "0.4.24"
+    resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+    integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+    dependencies:
+      safer-buffer ">= 2.1.2 < 3"
+  
+  inflight@^1.0.4:
+    version "1.0.6"
+    resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+    integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+    dependencies:
+      once "^1.3.0"
+      wrappy "1"
+  
+  inherits@2, inherits@2.0.4, inherits@~2.0.3:
+    version "2.0.4"
+    resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+    integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+  
+  inherits@2.0.3:
+    version "2.0.3"
+    resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+    integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+  
+  ipaddr.js@1.9.0:
+    version "1.9.0"
+    resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
+    integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
+  
+  isarray@~1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+    integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+  
+  js-tokens@^4.0.0:
+    version "4.0.0"
+    resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+    integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+  
+  js-yaml@^3.13.1:
+    version "3.13.1"
+    resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+    integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
+    dependencies:
+      argparse "^1.0.7"
+      esprima "^4.0.0"
+  
+  kareem@2.3.1:
+    version "2.3.1"
+    resolved "https://registry.yarnpkg.com/kareem/-/kareem-2.3.1.tgz#def12d9c941017fabfb00f873af95e9c99e1be87"
+    integrity sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw==
+  
+  media-typer@0.3.0:
+    version "0.3.0"
+    resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+    integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
+  
+  memory-pager@^1.0.2:
+    version "1.5.0"
+    resolved "https://registry.yarnpkg.com/memory-pager/-/memory-pager-1.5.0.tgz#d8751655d22d384682741c972f2c3d6dfa3e66b5"
+    integrity sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==
+  
+  merge-descriptors@1.0.1:
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+    integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
+  
+  methods@~1.1.2:
+    version "1.1.2"
+    resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+    integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+  
+  mime-db@1.43.0, "mime-db@>= 1.43.0 < 2":
+    version "1.43.0"
+    resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
+    integrity sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==
+  
+  mime-types@~2.1.24:
+    version "2.1.26"
+    resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.26.tgz#9c921fc09b7e149a65dfdc0da4d20997200b0a06"
+    integrity sha512-01paPWYgLrkqAyrlDorC1uDwl2p3qZT7yl806vW7DvDoxwXi46jsjFbg+WdwotBIk6/MbEhO/dh5aZ5sNj/dWQ==
+    dependencies:
+      mime-db "1.43.0"
+  
+  mime@1.6.0:
+    version "1.6.0"
+    resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+    integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
+  
+  min-document@^2.19.0:
+    version "2.19.0"
+    resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
+    integrity sha1-e9KC4/WELtKVu3SM3Z8f+iyCRoU=
+    dependencies:
+      dom-walk "^0.1.0"
+  
+  minimatch@^3.0.4:
+    version "3.0.4"
+    resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+    integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+    dependencies:
+      brace-expansion "^1.1.7"
+  
+  minimist@0.0.8:
+    version "0.0.8"
+    resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+    integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
+  
+  mkdirp@^0.5.1:
+    version "0.5.1"
+    resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+    integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+    dependencies:
+      minimist "0.0.8"
+  
+  mongodb@3.5.3:
+    version "3.5.3"
+    resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.5.3.tgz#f2c7ce9b5fc9a13da116ff1b6e816f6256010a86"
+    integrity sha512-II7P7A3XUdPiXRgcN96qIoRa1oesM6qLNZkzfPluNZjVkgQk3jnQwOT6/uDk4USRDTTLjNFw2vwfmbRGTA7msg==
+    dependencies:
+      bl "^2.2.0"
+      bson "^1.1.1"
+      denque "^1.4.1"
+      require_optional "^1.0.1"
+      safe-buffer "^5.1.2"
+    optionalDependencies:
+      saslprep "^1.0.0"
+  
+  mongoose-legacy-pluralize@1.0.2:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz#3ba9f91fa507b5186d399fb40854bff18fb563e4"
+    integrity sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ==
+  
+  mongoose@^5.9.0:
+    version "5.9.0"
+    resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.9.0.tgz#0a707c3716faea01416708e9b7676f92160d5950"
+    integrity sha512-vAoQC6RAX5NqXX+H0WKRsvI0gUj3OhFwsu7JHKwsLQ3cNvE7ZfpeG5aDBvbx9XaW0a+Z2ZqysQpktJhSIzLKtg==
+    dependencies:
+      bson "~1.1.1"
+      kareem "2.3.1"
+      mongodb "3.5.3"
+      mongoose-legacy-pluralize "1.0.2"
+      mpath "0.6.0"
+      mquery "3.2.2"
+      ms "2.1.2"
+      regexp-clone "1.0.0"
+      safe-buffer "5.1.2"
+      sift "7.0.1"
+      sliced "1.0.1"
+  
+  morgan@^1.9.1:
+    version "1.9.1"
+    resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
+    integrity sha512-HQStPIV4y3afTiCYVxirakhlCfGkI161c76kKFca7Fk1JusM//Qeo1ej2XaMniiNeaZklMVrh3vTtIzpzwbpmA==
+    dependencies:
+      basic-auth "~2.0.0"
+      debug "2.6.9"
+      depd "~1.1.2"
+      on-finished "~2.3.0"
+      on-headers "~1.0.1"
+  
+  mpath@0.6.0:
+    version "0.6.0"
+    resolved "https://registry.yarnpkg.com/mpath/-/mpath-0.6.0.tgz#aa922029fca4f0f641f360e74c5c1b6a4c47078e"
+    integrity sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw==
+  
+  mquery@3.2.2:
+    version "3.2.2"
+    resolved "https://registry.yarnpkg.com/mquery/-/mquery-3.2.2.tgz#e1383a3951852ce23e37f619a9b350f1fb3664e7"
+    integrity sha512-XB52992COp0KP230I3qloVUbkLUxJIu328HBP2t2EsxSFtf4W1HPSOBWOXf1bqxK4Xbb66lfMJ+Bpfd9/yZE1Q==
+    dependencies:
+      bluebird "3.5.1"
+      debug "3.1.0"
+      regexp-clone "^1.0.0"
+      safe-buffer "5.1.2"
+      sliced "1.0.1"
+  
+  ms@2.0.0:
+    version "2.0.0"
+    resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+    integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+  
+  ms@2.1.1:
+    version "2.1.1"
+    resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+    integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+  
+  ms@2.1.2:
+    version "2.1.2"
+    resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+    integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+  
+  negotiator@0.6.2:
+    version "0.6.2"
+    resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
+    integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+  
+  on-finished@~2.3.0:
+    version "2.3.0"
+    resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+    integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+    dependencies:
+      ee-first "1.1.1"
+  
+  on-headers@~1.0.1, on-headers@~1.0.2:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+    integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+  
+  once@^1.3.0:
+    version "1.4.0"
+    resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+    integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+    dependencies:
+      wrappy "1"
+  
+  parseurl@~1.3.3:
+    version "1.3.3"
+    resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+    integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
+  
+  path-is-absolute@^1.0.0:
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+    integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+  
+  path-parse@^1.0.6:
+    version "1.0.6"
+    resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+    integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+  
+  path-to-regexp@0.1.7:
+    version "0.1.7"
+    resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+    integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
+  
+  process-nextick-args@~2.0.0:
+    version "2.0.1"
+    resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+    integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+  
+  process@^0.11.10:
+    version "0.11.10"
+    resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+    integrity sha1-czIwDoQBYb2j5podHZGn1LwW8YI=
+  
+  proxy-addr@~2.0.5:
+    version "2.0.5"
+    resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.5.tgz#34cbd64a2d81f4b1fd21e76f9f06c8a45299ee34"
+    integrity sha512-t/7RxHXPH6cJtP0pRG6smSr9QJidhB+3kXu0KgXnbGYMgzEnUxRQ4/LDdfOwZEMyIh3/xHb8PX3t+lfL9z+YVQ==
+    dependencies:
+      forwarded "~0.1.2"
+      ipaddr.js "1.9.0"
+  
+  qs@6.7.0:
+    version "6.7.0"
+    resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
+    integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
+  
+  random-bytes@~1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/random-bytes/-/random-bytes-1.0.0.tgz#4f68a1dc0ae58bd3fb95848c30324db75d64360b"
+    integrity sha1-T2ih3Arli9P7lYSMMDJNt11kNgs=
+  
+  range-parser@~1.2.1:
+    version "1.2.1"
+    resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+    integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+  
+  raw-body@2.4.0:
+    version "2.4.0"
+    resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
+    integrity sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==
+    dependencies:
+      bytes "3.1.0"
+      http-errors "1.7.2"
+      iconv-lite "0.4.24"
+      unpipe "1.0.0"
+  
+  readable-stream@^2.3.5:
+    version "2.3.7"
+    resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+    integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
+    dependencies:
+      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"
+  
+  regexp-clone@1.0.0, regexp-clone@^1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/regexp-clone/-/regexp-clone-1.0.0.tgz#222db967623277056260b992626354a04ce9bf63"
+    integrity sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw==
+  
+  require_optional@^1.0.1:
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/require_optional/-/require_optional-1.0.1.tgz#4cf35a4247f64ca3df8c2ef208cc494b1ca8fc2e"
+    integrity sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==
+    dependencies:
+      resolve-from "^2.0.0"
+      semver "^5.1.0"
+  
+  resolve-from@^2.0.0:
+    version "2.0.0"
+    resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
+    integrity sha1-lICrIOlP+h2egKgEx+oUdhGWa1c=
+  
+  resolve@^1.3.2:
+    version "1.15.0"
+    resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.0.tgz#1b7ca96073ebb52e741ffd799f6b39ea462c67f5"
+    integrity sha512-+hTmAldEGE80U2wJJDC1lebb5jWqvTYAfm3YZ1ckk1gBr0MnCqUKlwK1e+anaFljIl+F5tR5IoZcm4ZDA1zMQw==
+    dependencies:
+      path-parse "^1.0.6"
+  
+  safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+    version "5.1.2"
+    resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+    integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+  
+  safe-buffer@5.2.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+    version "5.2.0"
+    resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+    integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+  
+  "safer-buffer@>= 2.1.2 < 3":
+    version "2.1.2"
+    resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+    integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+  
+  saslprep@^1.0.0:
+    version "1.0.3"
+    resolved "https://registry.yarnpkg.com/saslprep/-/saslprep-1.0.3.tgz#4c02f946b56cf54297e347ba1093e7acac4cf226"
+    integrity sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==
+    dependencies:
+      sparse-bitfield "^3.0.3"
+  
+  semver@^5.1.0, semver@^5.3.0:
+    version "5.7.1"
+    resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+    integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+  
+  send@0.17.1:
+    version "0.17.1"
+    resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
+    integrity sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==
+    dependencies:
+      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"
+      fresh "0.5.2"
+      http-errors "~1.7.2"
+      mime "1.6.0"
+      ms "2.1.1"
+      on-finished "~2.3.0"
+      range-parser "~1.2.1"
+      statuses "~1.5.0"
+  
+  serve-static@1.14.1:
+    version "1.14.1"
+    resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
+    integrity sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==
+    dependencies:
+      encodeurl "~1.0.2"
+      escape-html "~1.0.3"
+      parseurl "~1.3.3"
+      send "0.17.1"
+  
+  setprototypeof@1.1.1:
+    version "1.1.1"
+    resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
+    integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
+  
+  sift@7.0.1:
+    version "7.0.1"
+    resolved "https://registry.yarnpkg.com/sift/-/sift-7.0.1.tgz#47d62c50b159d316f1372f8b53f9c10cd21a4b08"
+    integrity sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g==
+  
+  sliced@1.0.1:
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/sliced/-/sliced-1.0.1.tgz#0b3a662b5d04c3177b1926bea82b03f837a2ef41"
+    integrity sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E=
+  
+  sparse-bitfield@^3.0.3:
+    version "3.0.3"
+    resolved "https://registry.yarnpkg.com/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz#ff4ae6e68656056ba4b3e792ab3334d38273ca11"
+    integrity sha1-/0rm5oZWBWuks+eSqzM004JzyhE=
+    dependencies:
+      memory-pager "^1.0.2"
+  
+  sprintf-js@~1.0.2:
+    version "1.0.3"
+    resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+    integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+  
+  "statuses@>= 1.5.0 < 2", statuses@~1.5.0:
+    version "1.5.0"
+    resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+    integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+  
+  string_decoder@~1.1.1:
+    version "1.1.1"
+    resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+    integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+    dependencies:
+      safe-buffer "~5.1.0"
+  
+  supports-color@^5.3.0:
+    version "5.5.0"
+    resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+    integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+    dependencies:
+      has-flag "^3.0.0"
+  
+  toidentifier@1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
+    integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
+  
+  tslib@^1.10.0, tslib@^1.8.1:
+    version "1.10.0"
+    resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
+    integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
+  
+  tslint@^6.0.0:
+    version "6.0.0"
+    resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.0.0.tgz#1c0148beac4779924216302f192cdaa153618310"
+    integrity sha512-9nLya8GBtlFmmFMW7oXXwoXS1NkrccqTqAtwXzdPV9e2mqSEvCki6iHL/Fbzi5oqbugshzgGPk7KBb2qNP1DSA==
+    dependencies:
+      "@babel/code-frame" "^7.0.0"
+      builtin-modules "^1.1.1"
+      chalk "^2.3.0"
+      commander "^2.12.1"
+      diff "^4.0.1"
+      glob "^7.1.1"
+      js-yaml "^3.13.1"
+      minimatch "^3.0.4"
+      mkdirp "^0.5.1"
+      resolve "^1.3.2"
+      semver "^5.3.0"
+      tslib "^1.10.0"
+      tsutils "^2.29.0"
+  
+  tsutils@^2.29.0:
+    version "2.29.0"
+    resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"
+    integrity sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==
+    dependencies:
+      tslib "^1.8.1"
+  
+  type-is@~1.6.17, type-is@~1.6.18:
+    version "1.6.18"
+    resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+    integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
+    dependencies:
+      media-typer "0.3.0"
+      mime-types "~2.1.24"
+  
+  typescript@^3.7.5:
+    version "3.7.5"
+    resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.5.tgz#0692e21f65fd4108b9330238aac11dd2e177a1ae"
+    integrity sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==
+  
+  uid-safe@~2.1.5:
+    version "2.1.5"
+    resolved "https://registry.yarnpkg.com/uid-safe/-/uid-safe-2.1.5.tgz#2b3d5c7240e8fc2e58f8aa269e5ee49c0857bd3a"
+    integrity sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==
+    dependencies:
+      random-bytes "~1.0.0"
+  
+  unpipe@1.0.0, unpipe@~1.0.0:
+    version "1.0.0"
+    resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+    integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+  
+  util-deprecate@~1.0.1:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+    integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+  
+  utils-merge@1.0.1:
+    version "1.0.1"
+    resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+    integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+  
+  vary@~1.1.2:
+    version "1.1.2"
+    resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+    integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+  
+  wrappy@1:
+    version "1.0.2"
+    resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+    integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
diff --git a/api/yarn.lock b/api/yarn.lock
index d072bed..892108e 100644
--- a/api/yarn.lock
+++ b/api/yarn.lock
@@ -18,6 +18,11 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
+"@types/bcrypt-nodejs@^0.0.31":
+  version "0.0.31"
+  resolved "https://registry.yarnpkg.com/@types/bcrypt-nodejs/-/bcrypt-nodejs-0.0.31.tgz#c2912b47e66242f2d0d2c43cdd62918c8f990dac"
+  integrity sha512-0J4tuZnKpVyHc5EIKTeIUIo6yBSjt7F004mifvqGPAQsETho7iHubjyBD8p1YENNWNYb1vfPhgjCsRH8zy84XQ==
+
 "@types/body-parser@*":
   version "1.17.1"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.1.tgz#18fcf61768fb5c30ccc508c21d6fd2e8b3bf7897"
@@ -26,6 +31,13 @@
     "@types/connect" "*"
     "@types/node" "*"
 
+"@types/bson@*":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/bson/-/bson-4.0.1.tgz#2bfc80819e7055b76d5496d5344ed23e5d12bbb2"
+  integrity sha512-K6VAEdLVJFBxKp8m5cRTbUfeZpuSvOuLKJLrgw9ANIXo00RiyGzgH4BKWWR4F520gV4tWmxG7q9sKQRVDuzrBw==
+  dependencies:
+    "@types/node" "*"
+
 "@types/compression@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/compression/-/compression-1.0.1.tgz#f3682a6b3ce2dbd4aece48547153ebc592281fa7"
@@ -69,6 +81,22 @@
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
   integrity sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==
 
+"@types/mongodb@*":
+  version "3.3.16"
+  resolved "https://registry.yarnpkg.com/@types/mongodb/-/mongodb-3.3.16.tgz#3b125aa0e31ef0f6733fcfcf507cce1324823a26"
+  integrity sha512-i1Ov36BXdp+urtPsaSvrNfCdsaVn4Ukq1m1kGyzdWB1+eg3gJ68unXU5LNmnF4EAMRFY6FXZzA7/W3NST40b8g==
+  dependencies:
+    "@types/bson" "*"
+    "@types/node" "*"
+
+"@types/mongoose@^5.7.1":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/@types/mongoose/-/mongoose-5.7.1.tgz#503d902e873dce8546f2fed6b8ed9c6474cb353d"
+  integrity sha512-lCe+ctykvXgI58bWlEAgladuVHmgSWbAuCMapy9+2m+aUm4DfjYGJ1HXIqubr+YflDN8hfjDaX7BGVxO/Fl06Q==
+  dependencies:
+    "@types/mongodb" "*"
+    "@types/node" "*"
+
 "@types/morgan@^1.7.37":
   version "1.7.37"
   resolved "https://registry.yarnpkg.com/@types/morgan/-/morgan-1.7.37.tgz#ebdd0b0f0276073f85283bf4f03c7c54284874df"
@@ -133,6 +161,24 @@ basic-auth@~2.0.0:
   dependencies:
     safe-buffer "5.1.2"
 
+bcrypt-nodejs@^0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/bcrypt-nodejs/-/bcrypt-nodejs-0.0.3.tgz#c60917f26dc235661566c681061c303c2b28842b"
+  integrity sha1-xgkX8m3CNWYVZsaBBhwwPCsohCs=
+
+bl@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.0.tgz#e1a574cdf528e4053019bb800b041c0ac88da493"
+  integrity sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==
+  dependencies:
+    readable-stream "^2.3.5"
+    safe-buffer "^5.1.1"
+
+bluebird@3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+  integrity sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==
+
 body-parser@1.19.0, body-parser@^1.19.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
@@ -157,6 +203,11 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+bson@^1.1.1, bson@~1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.3.tgz#aa82cb91f9a453aaa060d6209d0675114a8154d3"
+  integrity sha512-TdiJxMVnodVS7r0BdL42y/pqC9cL2iKynVwA0Ho3qbsQYr428veL3l7BQyuqiw+Q5SqqoT0m4srSY/BlZ9AxXg==
+
 builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -245,6 +296,11 @@ cookie@0.4.0:
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
   integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
 
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
 debug@2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
@@ -252,6 +308,18 @@ debug@2.6.9:
   dependencies:
     ms "2.0.0"
 
+debug@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+  dependencies:
+    ms "2.0.0"
+
+denque@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/denque/-/denque-1.4.1.tgz#6744ff7641c148c3f8a69c307e51235c1f4a37cf"
+  integrity sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ==
+
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -460,7 +528,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4:
+inherits@2, inherits@2.0.4, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -475,6 +543,11 @@ ipaddr.js@1.9.0:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
   integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
 
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
 js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -488,11 +561,21 @@ js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+kareem@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/kareem/-/kareem-2.3.1.tgz#def12d9c941017fabfb00f873af95e9c99e1be87"
+  integrity sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw==
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
   integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
 
+memory-pager@^1.0.2:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/memory-pager/-/memory-pager-1.5.0.tgz#d8751655d22d384682741c972f2c3d6dfa3e66b5"
+  integrity sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
@@ -546,6 +629,41 @@ mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
+mongodb@3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.5.3.tgz#f2c7ce9b5fc9a13da116ff1b6e816f6256010a86"
+  integrity sha512-II7P7A3XUdPiXRgcN96qIoRa1oesM6qLNZkzfPluNZjVkgQk3jnQwOT6/uDk4USRDTTLjNFw2vwfmbRGTA7msg==
+  dependencies:
+    bl "^2.2.0"
+    bson "^1.1.1"
+    denque "^1.4.1"
+    require_optional "^1.0.1"
+    safe-buffer "^5.1.2"
+  optionalDependencies:
+    saslprep "^1.0.0"
+
+mongoose-legacy-pluralize@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz#3ba9f91fa507b5186d399fb40854bff18fb563e4"
+  integrity sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ==
+
+mongoose@^5.9.0:
+  version "5.9.0"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.9.0.tgz#0a707c3716faea01416708e9b7676f92160d5950"
+  integrity sha512-vAoQC6RAX5NqXX+H0WKRsvI0gUj3OhFwsu7JHKwsLQ3cNvE7ZfpeG5aDBvbx9XaW0a+Z2ZqysQpktJhSIzLKtg==
+  dependencies:
+    bson "~1.1.1"
+    kareem "2.3.1"
+    mongodb "3.5.3"
+    mongoose-legacy-pluralize "1.0.2"
+    mpath "0.6.0"
+    mquery "3.2.2"
+    ms "2.1.2"
+    regexp-clone "1.0.0"
+    safe-buffer "5.1.2"
+    sift "7.0.1"
+    sliced "1.0.1"
+
 morgan@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
@@ -557,6 +675,22 @@ morgan@^1.9.1:
     on-finished "~2.3.0"
     on-headers "~1.0.1"
 
+mpath@0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/mpath/-/mpath-0.6.0.tgz#aa922029fca4f0f641f360e74c5c1b6a4c47078e"
+  integrity sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw==
+
+mquery@3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/mquery/-/mquery-3.2.2.tgz#e1383a3951852ce23e37f619a9b350f1fb3664e7"
+  integrity sha512-XB52992COp0KP230I3qloVUbkLUxJIu328HBP2t2EsxSFtf4W1HPSOBWOXf1bqxK4Xbb66lfMJ+Bpfd9/yZE1Q==
+  dependencies:
+    bluebird "3.5.1"
+    debug "3.1.0"
+    regexp-clone "^1.0.0"
+    safe-buffer "5.1.2"
+    sliced "1.0.1"
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -567,6 +701,11 @@ ms@2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -611,6 +750,11 @@ path-to-regexp@0.1.7:
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
   integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
 
+process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
 process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -649,6 +793,37 @@ raw-body@2.4.0:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
+readable-stream@^2.3.5:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
+  dependencies:
+    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"
+
+regexp-clone@1.0.0, regexp-clone@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/regexp-clone/-/regexp-clone-1.0.0.tgz#222db967623277056260b992626354a04ce9bf63"
+  integrity sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw==
+
+require_optional@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require_optional/-/require_optional-1.0.1.tgz#4cf35a4247f64ca3df8c2ef208cc494b1ca8fc2e"
+  integrity sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==
+  dependencies:
+    resolve-from "^2.0.0"
+    semver "^5.1.0"
+
+resolve-from@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
+  integrity sha1-lICrIOlP+h2egKgEx+oUdhGWa1c=
+
 resolve@^1.3.2:
   version "1.15.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.0.tgz#1b7ca96073ebb52e741ffd799f6b39ea462c67f5"
@@ -656,12 +831,12 @@ resolve@^1.3.2:
   dependencies:
     path-parse "^1.0.6"
 
-safe-buffer@5.1.2:
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@5.2.0:
+safe-buffer@5.2.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
@@ -671,7 +846,14 @@ safe-buffer@5.2.0:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-semver@^5.3.0:
+saslprep@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/saslprep/-/saslprep-1.0.3.tgz#4c02f946b56cf54297e347ba1093e7acac4cf226"
+  integrity sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==
+  dependencies:
+    sparse-bitfield "^3.0.3"
+
+semver@^5.1.0, semver@^5.3.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
@@ -710,6 +892,23 @@ setprototypeof@1.1.1:
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
   integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
 
+sift@7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/sift/-/sift-7.0.1.tgz#47d62c50b159d316f1372f8b53f9c10cd21a4b08"
+  integrity sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g==
+
+sliced@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sliced/-/sliced-1.0.1.tgz#0b3a662b5d04c3177b1926bea82b03f837a2ef41"
+  integrity sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E=
+
+sparse-bitfield@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz#ff4ae6e68656056ba4b3e792ab3334d38273ca11"
+  integrity sha1-/0rm5oZWBWuks+eSqzM004JzyhE=
+  dependencies:
+    memory-pager "^1.0.2"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -720,6 +919,13 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -788,6 +994,11 @@ unpipe@1.0.0, unpipe@~1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"