diff --git a/package-lock.json b/package-lock.json
index 7e75d38..c6362f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,28 @@
         }
       }
     },
+    "@types/bson": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.5.tgz",
+      "integrity": "sha512-vVLwMUqhYJSQ/WKcE60eFqcyuWse5fGH+NMAXHuKrUAPoryq3ATxk5o4bgYNtg5aOM4APVg7Hnb3ASqUYG0PKg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/mongodb": {
+      "version": "3.6.20",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
+      "integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
+      "requires": {
+        "@types/bson": "*",
+        "@types/node": "*"
+      }
+    },
+    "@types/node": {
+      "version": "20.4.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.2.tgz",
+      "integrity": "sha512-Dd0BYtWgnWJKwO1jkmTrzofjK2QXXcai0dmtzvIBhcA+RsG5h8R3xlyta0kGOZRNfL9GuRtb1knmPEhQrePCEw=="
+    },
     "JSONStream": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
@@ -153,11 +175,6 @@
         }
       }
     },
-    "async": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.9.0.tgz",
-      "integrity": "sha1-rDYTsdqb7RtHUQu0ZRuJMeRxRsc="
-    },
     "async-cache": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/async-cache/-/async-cache-0.1.5.tgz",
@@ -185,6 +202,15 @@
         "safe-buffer": "5.1.2"
       }
     },
+    "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": "3.5.4",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.4.tgz",
@@ -445,9 +471,9 @@
       }
     },
     "bson": {
-      "version": "0.4.23",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-0.4.23.tgz",
-      "integrity": "sha1-5louPHUH/63kEJvHV1p25Q+NqRU="
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
+      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg=="
     },
     "buffer": {
       "version": "4.9.1",
@@ -756,6 +782,11 @@
         }
       }
     },
+    "denque": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw=="
+    },
     "depd": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.0.1.tgz",
@@ -931,11 +962,6 @@
         "escape-html": "1.0.1"
       }
     },
-    "es6-promise": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-2.1.1.tgz",
-      "integrity": "sha1-A+jzxyl5KOVHjWqx0GQyUVB73t0="
-    },
     "escape-html": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.1.tgz",
@@ -1228,11 +1254,6 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
-    "hooks-fixed": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/hooks-fixed/-/hooks-fixed-1.1.0.tgz",
-      "integrity": "sha1-DowVM2cI5mERhf45C0RofdUjDbs="
-    },
     "htmlescape": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/htmlescape/-/htmlescape-1.1.1.tgz",
@@ -1382,9 +1403,9 @@
       "dev": true
     },
     "isarray": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
     },
     "jquery": {
       "version": "2.2.4",
@@ -1430,18 +1451,9 @@
       "dev": true
     },
     "kareem": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/kareem/-/kareem-1.0.1.tgz",
-      "integrity": "sha1-eAXSFbtTIU7Dr5aaHQsfF+PnuVw="
-    },
-    "kerberos": {
-      "version": "0.0.24",
-      "resolved": "https://registry.npmjs.org/kerberos/-/kerberos-0.0.24.tgz",
-      "integrity": "sha512-QO6bFq9eETHB5zcA0OJiQtw137TH45OuUcGtI+QGg2ZJQIPCvwXL2kjCqZZMColcIdbPhj4X40EY5f3oOiBfiw==",
-      "optional": true,
-      "requires": {
-        "nan": "~2.10.0"
-      }
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.2.tgz",
+      "integrity": "sha512-STHz9P7X2L4Kwn72fA4rGyqyXdmrMSdxqHx9IXon/FXluXieaFA6KJ2upcHAHxQPQ0LeM/OjLrhFxifHewOALQ=="
     },
     "labeled-stream-splicer": {
       "version": "2.0.1",
@@ -1499,6 +1511,12 @@
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
       "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
     },
+    "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-descriptors": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.0.tgz",
@@ -1526,12 +1544,12 @@
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
         },
         "vary": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-          "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+          "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
         }
       }
     },
@@ -1666,50 +1684,66 @@
       "integrity": "sha1-6XnCop4iiI5g85byIgphGPhc2Uw="
     },
     "mongodb": {
-      "version": "2.0.46",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.0.46.tgz",
-      "integrity": "sha1-sbhXRl5F4lmx4OAzaYNBpky5NVk=",
-      "requires": {
-        "es6-promise": "2.1.1",
-        "mongodb-core": "1.2.19",
-        "readable-stream": "1.0.31"
-      }
-    },
-    "mongodb-core": {
-      "version": "1.2.19",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-1.2.19.tgz",
-      "integrity": "sha1-/LNfa2q8XD3h8aSl21JrnjBvPrc=",
-      "requires": {
-        "bson": "~0.4.19",
-        "kerberos": "~0.0"
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.4.tgz",
+      "integrity": "sha512-K5q8aBqEXMwWdVNh94UQTwZ6BejVbFhh1uB6c5FKtPE9eUMZPUO3sRZdgIEcHSrAWmxzpG/FeODDKL388sqRmw==",
+      "requires": {
+        "bl": "^2.2.1",
+        "bson": "^1.1.4",
+        "denque": "^1.4.1",
+        "optional-require": "^1.1.8",
+        "safe-buffer": "^5.1.2",
+        "saslprep": "^1.0.0"
+      },
+      "dependencies": {
+        "optional-require": {
+          "version": "1.1.8",
+          "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
+          "integrity": "sha512-jq83qaUb0wNg9Krv1c5OQ+58EK+vHde6aBPzLvPPqJm89UQWsvSuFy9X/OSNJnFeSOKo7btE0n8Nl2+nE+z5nA==",
+          "requires": {
+            "require-at": "^1.0.6"
+          }
+        }
       }
     },
     "mongoose": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.2.4.tgz",
-      "integrity": "sha1-4vjAB92Dj2YztPbJZbqSojKskxc=",
-      "requires": {
-        "async": "0.9.0",
-        "bson": "~0.4.18",
-        "hooks-fixed": "1.1.0",
-        "kareem": "1.0.1",
-        "mongodb": "2.0.46",
-        "mpath": "0.1.1",
-        "mpromise": "0.5.4",
-        "mquery": "1.6.3",
-        "ms": "0.7.1",
-        "muri": "1.0.0",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
+      "version": "5.13.20",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.20.tgz",
+      "integrity": "sha512-TjGFa/XnJYt+wLmn8y9ssjyO2OhBMeEBtOHb9iJM16EWu2Du6L1Q6zSiEK2ziyYQM8agb4tumNIQFzqbxId7MA==",
+      "requires": {
+        "@types/bson": "1.x || 4.0.x",
+        "@types/mongodb": "^3.5.27",
+        "bson": "^1.1.4",
+        "kareem": "2.3.2",
+        "mongodb": "3.7.4",
+        "mongoose-legacy-pluralize": "1.0.2",
+        "mpath": "0.8.4",
+        "mquery": "3.2.5",
+        "ms": "2.1.2",
+        "optional-require": "1.0.x",
+        "regexp-clone": "1.0.0",
+        "safe-buffer": "5.2.1",
+        "sift": "13.5.2",
+        "sliced": "1.0.1"
       },
       "dependencies": {
         "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "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": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
+      "integrity": "sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ=="
+    },
     "morgan": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.10.0.tgz",
@@ -1738,17 +1772,17 @@
         "ee-first": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-          "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
+          "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
         },
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
         },
         "on-finished": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
-          "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+          "integrity": "sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==",
           "requires": {
             "ee-first": "1.1.1"
           }
@@ -1756,43 +1790,39 @@
       }
     },
     "mpath": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.1.1.tgz",
-      "integrity": "sha1-I9qFK3wjLuCX9HWdKcDunNItXkY="
-    },
-    "mpromise": {
-      "version": "0.5.4",
-      "resolved": "https://registry.npmjs.org/mpromise/-/mpromise-0.5.4.tgz",
-      "integrity": "sha1-thBhPsbeN0GflEs18Hg7Ten13HU="
+      "version": "0.8.4",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
+      "integrity": "sha512-DTxNZomBcTWlrMW76jy1wvV37X/cNNxPW1y2Jzd4DZkAaC5ZGsm8bfGfNOthcDuRJujXLqiuS6o3Tpy0JEoh7g=="
     },
     "mquery": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/mquery/-/mquery-1.6.3.tgz",
-      "integrity": "sha1-fAK/t+ScgBLOzhVWxeZf72HzyOU=",
-      "requires": {
-        "bluebird": "2.9.26",
-        "debug": "2.2.0",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-3.2.5.tgz",
+      "integrity": "sha512-VjOKHHgU84wij7IUoZzFRU07IAxd5kWJaDmyUzQlbjHjyoeK5TNeeo8ZsFDtTYnSgpW6n/nMNIHvE3u8Lbrf4A==",
+      "requires": {
+        "bluebird": "3.5.1",
+        "debug": "3.1.0",
+        "regexp-clone": "^1.0.0",
+        "safe-buffer": "5.1.2",
+        "sliced": "1.0.1"
       },
       "dependencies": {
         "bluebird": {
-          "version": "2.9.26",
-          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.9.26.tgz",
-          "integrity": "sha1-Nidy6k0J9VakufO2TC/RNuh+OlU="
+          "version": "3.5.1",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+          "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
         },
         "debug": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "requires": {
-            "ms": "0.7.1"
+            "ms": "2.0.0"
           }
         },
         "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
         }
       }
     },
@@ -1801,17 +1831,6 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.3.tgz",
       "integrity": "sha1-cIFVpeROM/X9D8U+gdDUCpG+H/8="
     },
-    "muri": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/muri/-/muri-1.0.0.tgz",
-      "integrity": "sha1-3jv2vXHWfq5x12aJuVDS3hGGlcY="
-    },
-    "nan": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
-      "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA==",
-      "optional": true
-    },
     "needle": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/needle/-/needle-2.6.0.tgz",
@@ -1908,6 +1927,11 @@
       "resolved": "https://registry.npmjs.org/optional/-/optional-0.1.4.tgz",
       "integrity": "sha512-gtvrrCfkE08wKcgXaVwQVgwEQ8vel2dc5DDBn9RLQZ3YtmtkBss6A2HY6BnJH4N/4Ku97Ri/SF8sNWE2225WJw=="
     },
+    "optional-require": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
+      "integrity": "sha512-RV2Zp2MY2aeYK5G+B/Sps8lW5NHAzE5QClbFP15j+PWmP+T9PxlJXBOOLoSAdgwFvS4t0aMR4vpedMkbHfh0nA=="
+    },
     "os-browserify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/os-browserify/-/os-browserify-0.1.2.tgz",
@@ -2008,8 +2032,7 @@
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-      "dev": true
+      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
     },
     "proto-list": {
       "version": "1.2.4",
@@ -2138,20 +2161,38 @@
       }
     },
     "readable-stream": {
-      "version": "1.0.31",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.31.tgz",
-      "integrity": "sha1-jyUC4LyeOw2huUUgqrtOJgPsr64=",
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+      "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
       "requires": {
         "core-util-is": "~1.0.0",
-        "inherits": "~2.0.1",
-        "isarray": "0.0.1",
-        "string_decoder": "~0.10.x"
+        "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"
+      },
+      "dependencies": {
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
       }
     },
     "regexp-clone": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
+      "integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
+    },
+    "require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
     },
     "resolve": {
       "version": "1.10.0",
@@ -2190,6 +2231,15 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "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",
@@ -2288,6 +2338,11 @@
         "jsonify": "~0.0.0"
       }
     },
+    "sift": {
+      "version": "13.5.2",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
+      "integrity": "sha512-+gxdEOMA2J+AI+fVsCqeNn7Tgx3M9ZN9jdi95939l1IJ8cZsqS8sqpJyOkic2SJk+1+98Uwryt/gL6XDaV+UZA=="
+    },
     "simple-concat": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
@@ -2295,9 +2350,9 @@
       "dev": true
     },
     "sliced": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-      "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
+      "integrity": "sha512-VZBmZP8WU3sMOZm1bdgTadsQbcscK0UM8oKxKVBs4XAhUo2Xxzm/OFMGBkPusxw9xL3Uy8LrzEqGqJhclsr0yA=="
     },
     "source-map": {
       "version": "0.5.7",
@@ -2305,6 +2360,15 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -2529,7 +2593,8 @@
     "string_decoder": {
       "version": "0.10.31",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+      "dev": true
     },
     "subarg": {
       "version": "1.0.0",
@@ -2687,8 +2752,7 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "utils-merge": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index b084ef2..df3c6f3 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "marked": "0.3.5",
     "method-override": "latest",
     "moment": "2.15.1",
-    "mongoose": "4.2.4",
+    "mongoose": "5.13.20",
     "morgan": "latest",
     "ms": "^0.7.1",
     "npmconf": "0.0.24",