diff --git a/package-lock.json b/package-lock.json
index 19a498e..604d1b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -254,9 +254,9 @@
       "dev": true
     },
     "@types/bson": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.0.tgz",
-      "integrity": "sha512-pq/rqJwJWkbS10crsG5bgnrisL8pML79KlMKQMoQwLUjlPAkrUHMvHJ3oGwE7WHR61Lv/nadMwXVAD2b+fpD8Q==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.3.tgz",
+      "integrity": "sha512-mVRvYnTOZJz3ccpxhr3wgxVmSeiYinW+zlzQz3SXWaJmD1DuL05Jeq7nKw3SnbKmbleW5qrLG5vdyWe/A9sXhw==",
       "requires": {
         "@types/node": "*"
       }
@@ -275,11 +275,6 @@
       "integrity": "sha512-zw8UvoBEImn392tLjxoavuonblX/4Yb9ha4KBU10FirCfwgzhKO0dvyJSF9ByxV1xK1r2AgnAi/tvQaLgxQqxA==",
       "dev": true
     },
-    "@types/events": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
-      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g=="
-    },
     "@types/generic-pool": {
       "version": "3.1.9",
       "resolved": "https://registry.npmjs.org/@types/generic-pool/-/generic-pool-3.1.9.tgz",
@@ -289,11 +284,10 @@
       }
     },
     "@types/glob": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
-      "integrity": "sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==",
+      "version": "7.1.3",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.3.tgz",
+      "integrity": "sha512-SEYeGAIQIQX8NN6LDKprLjbrd5dARM5EXsd8GI/A5l0apYI1fGMWgPHSe4ZKL4eozlAyI+doUE9XbYS4xCkQ1w==",
       "requires": {
-        "@types/events": "*",
         "@types/minimatch": "*",
         "@types/node": "*"
       }
@@ -307,9 +301,9 @@
       }
     },
     "@types/jsonwebtoken": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/@types/jsonwebtoken/-/jsonwebtoken-8.3.4.tgz",
-      "integrity": "sha512-R0eiYPpbo6Jl/XtGwpg7vQlapd7D38gp0g9WMKOSFr/e2NUTN9Udd3ty7n+2yUpmHr2Fti+/BSc+KSQ8zPN+vg==",
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/@types/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-rNAPdomlIUX0i0cg2+I+Q1wOUr531zHBQ+cV/28PJ39bSPKjahatZZ2LMuhiguETkCgLVzfruw/ZvNMNkKoSzw==",
       "requires": {
         "@types/node": "*"
       }
@@ -320,9 +314,9 @@
       "integrity": "sha512-1w52Nyx4Gq47uuu0EVcsHBxZFJgurQ+rTKS3qMHxR1GY2T8c2AJYd6vZoZ9q1rupaDjU0yT+Jc2XTyXkjeMA+Q=="
     },
     "@types/minimatch": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
-      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-1z8k4wzFnNjVK/tlxvrWuK5WMt6mydWWP7+zvH5eFep4oj+UkrfiJTRtjCeBXNpwaA/FYqqtb4/QS4ianFpIRA=="
     },
     "@types/mocha": {
       "version": "5.2.7",
@@ -340,18 +334,18 @@
       }
     },
     "@types/mongodb": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.3.3.tgz",
-      "integrity": "sha512-ymI6OZB4kqaSgLDFn7PYGNC+BmwbKPuw88F+gr9SGyAltcSKI6nYf+rj8hrHEsypnjtT5rA+dnmjXdPSgXgSgQ==",
+      "version": "3.6.10",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.10.tgz",
+      "integrity": "sha512-BkwAHFiZSSWdTIqbUVGmgvIsiXXjqAketeK7Izy7oSs6G3N8Bn993tK9eq6QEovQDx6OQ2FGP2KWDDxBzdlJ6Q==",
       "requires": {
         "@types/bson": "*",
         "@types/node": "*"
       }
     },
     "@types/mongoose": {
-      "version": "5.5.18",
-      "resolved": "https://registry.npmjs.org/@types/mongoose/-/mongoose-5.5.18.tgz",
-      "integrity": "sha512-YWTNSehI+TvuqzEzr7nhzYRbwraq43bZao4XZc/T2ViGmzX06Wy9XPHCHAZ2vsuiZ9Vh9tiGomRt7MjzTihn+w==",
+      "version": "5.10.4",
+      "resolved": "https://registry.npmjs.org/@types/mongoose/-/mongoose-5.10.4.tgz",
+      "integrity": "sha512-U7fNDcTcdaSGzQ3+mlSBeebiYr6eaacJi330LTLOEh8Sm6mXfuec70ag/UXkL+alFm7pfAjFqfc7jEaJEJvAHQ==",
       "requires": {
         "@types/mongodb": "*",
         "@types/node": "*"
@@ -385,12 +379,9 @@
       "dev": true
     },
     "@types/uuid": {
-      "version": "3.4.5",
-      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-3.4.5.tgz",
-      "integrity": "sha512-MNL15wC3EKyw1VLF+RoVO4hJJdk9t/Hlv3rt1OL65Qvuadm4BYo6g9ZJQqoq7X8NBFSsQXgAujWciovh2lpVjA==",
-      "requires": {
-        "@types/node": "*"
-      }
+      "version": "3.4.9",
+      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-3.4.9.tgz",
+      "integrity": "sha512-XDwyIlt/47l2kWLTzw/mtrpLdB+GPSskR2n/PIcPn+VYhVO77rGhRncIR5GPU0KRzXuqkDO+J5qqrG0Y8P6jzQ=="
     },
     "ajv": {
       "version": "6.10.2",
@@ -474,14 +465,6 @@
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true
     },
-    "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-      "requires": {
-        "lodash": "^4.17.11"
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -497,6 +480,15 @@
       "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz",
       "integrity": "sha1-DmVcm5wkNeqraL9AJyJtK1WjRSQ="
     },
+    "bl": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
+      "requires": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
+    },
     "bluebird": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
@@ -526,9 +518,9 @@
       "dev": true
     },
     "bson": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.1.tgz",
-      "integrity": "sha512-jCGVYLoYMHDkOsbwJZBCqwMHyH4c+wzgI9hG7Z6SZJRXWr+x58pdIbm2i9a/jFGCkRJqRUr8eoI7lDWa0hTkxg=="
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
+      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg=="
     },
     "buffer": {
       "version": "5.4.3",
@@ -1014,9 +1006,9 @@
       "dev": true
     },
     "generic-pool": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.7.1.tgz",
-      "integrity": "sha512-ug6DAZoNgWm6q5KhPFA+hzXfBLFQu5sTXxPpv44DmE0A2g+CiHoq9LTVdkXpZMkYVMoGw83F6W+WT0h0MFMK/w=="
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.7.2.tgz",
+      "integrity": "sha512-Ec7D4KySmEtIdJBNRVS8jus84ejNAvYG7KaLsXMhIs4AVQ2RuXSjMtmpskTKDT0y6TFSPjo4H+cCmLKUb+vDzg=="
     },
     "get-caller-file": {
       "version": "2.0.5",
@@ -1943,9 +1935,9 @@
       }
     },
     "kareem": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.1.tgz",
-      "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.2.tgz",
+      "integrity": "sha512-STHz9P7X2L4Kwn72fA4rGyqyXdmrMSdxqHx9IXon/FXluXieaFA6KJ2upcHAHxQPQ0LeM/OjLrhFxifHewOALQ=="
     },
     "lcid": {
       "version": "1.0.0",
@@ -2133,6 +2125,12 @@
         "p-is-promise": "^2.0.0"
       }
     },
+    "memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "optional": true
+    },
     "merge-source-map": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/merge-source-map/-/merge-source-map-1.1.0.tgz",
@@ -2341,9 +2339,9 @@
           }
         },
         "y18n": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+          "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
           "dev": true
         },
         "yargs": {
@@ -2398,32 +2396,42 @@
       "optional": true
     },
     "mongodb": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.3.2.tgz",
-      "integrity": "sha512-fqJt3iywelk4yKu/lfwQg163Bjpo5zDKhXiohycvon4iQHbrfflSAz9AIlRE6496Pm/dQKQK5bMigdVo2s6gBg==",
+      "version": "3.6.5",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.5.tgz",
+      "integrity": "sha512-mQlYKw1iGbvJJejcPuyTaytq0xxlYbIoVDm2FODR+OHxyEiMR021vc32bTvamgBjCswsD54XIRwhg3yBaWqJjg==",
       "requires": {
-        "bson": "^1.1.1",
+        "bl": "^2.2.1",
+        "bson": "^1.1.4",
+        "denque": "^1.4.1",
         "require_optional": "^1.0.1",
-        "safe-buffer": "^5.1.2"
+        "safe-buffer": "^5.1.2",
+        "saslprep": "^1.0.0"
       }
     },
     "mongoose": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.7.1.tgz",
-      "integrity": "sha512-TJeZHb5h8UGH++ctngh2shgZuZmR9o0D8elxfkWzIpKB6QAFsJPmALtDuD6RYZTS33+CifhDdAMGqs3OpJ3cyQ==",
-      "requires": {
-        "async": "2.6.2",
-        "bson": "~1.1.1",
-        "kareem": "2.3.1",
-        "mongodb": "3.3.2",
+      "version": "5.12.2",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.12.2.tgz",
+      "integrity": "sha512-kT9t6Nvu9WPsfssn7Gzke446Il8UdMilY7Sa5vALtwoOoNOGtZEVjekZBFwsBFzTWtBA/x5gBmJoYFP+1LeDlg==",
+      "requires": {
+        "@types/mongodb": "^3.5.27",
+        "bson": "^1.1.4",
+        "kareem": "2.3.2",
+        "mongodb": "3.6.5",
         "mongoose-legacy-pluralize": "1.0.2",
-        "mpath": "0.6.0",
-        "mquery": "3.2.1",
+        "mpath": "0.8.3",
+        "mquery": "3.2.4",
         "ms": "2.1.2",
         "regexp-clone": "1.0.0",
-        "safe-buffer": "5.1.2",
+        "safe-buffer": "5.2.1",
         "sift": "7.0.1",
         "sliced": "1.0.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        }
       }
     },
     "mongoose-legacy-pluralize": {
@@ -2432,14 +2440,14 @@
       "integrity": "sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ=="
     },
     "mpath": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.6.0.tgz",
-      "integrity": "sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw=="
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.3.tgz",
+      "integrity": "sha512-eb9rRvhDltXVNL6Fxd2zM9D4vKBxjVVQNLNijlj7uoXUy19zNDsIif5zR+pWmPCWNKwAtqyo4JveQm4nfD5+eA=="
     },
     "mquery": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/mquery/-/mquery-3.2.1.tgz",
-      "integrity": "sha512-kY/K8QToZWTTocm0U+r8rqcJCp5PRl6e8tPmoDs5OeSO3DInZE2rAL6AYH+V406JTo8305LdASOQcxRDqHojyw==",
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-3.2.4.tgz",
+      "integrity": "sha512-uOLpp7iRX0BV1Uu6YpsqJ5b42LwYnmu0WeF/f8qgD/On3g0XDaQM6pfn0m6UxO6SM8DioZ9Bk6xxbWIGHm2zHg==",
       "requires": {
         "bluebird": "3.5.1",
         "debug": "3.1.0",
@@ -2695,9 +2703,9 @@
           }
         },
         "y18n": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+          "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
           "dev": true
         },
         "yargs": {
@@ -3126,6 +3134,15 @@
       "integrity": "sha512-gH8eh2nZudPQO6TytOvbxnuhYBOvDBBLW52tz5q6X58lJcd/tkmqFR+5Z9adS8aJtURSXWThWy/xJtJwixErvg==",
       "optional": true
     },
+    "saslprep": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
+      "optional": true,
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
@@ -3231,6 +3248,15 @@
         }
       }
     },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "spawn-wrap": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/spawn-wrap/-/spawn-wrap-1.4.2.tgz",
@@ -3570,9 +3596,9 @@
       "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
     },
     "y18n": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ=="
     },
     "yallist": {
       "version": "2.1.2",