diff --git a/package-lock.json b/package-lock.json
index cee9aed..2487e15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -233,9 +233,9 @@
       }
     },
     "@types/socket.io": {
-      "version": "1.4.40",
-      "resolved": "https://registry.npmjs.org/@types/socket.io/-/socket.io-1.4.40.tgz",
-      "integrity": "sha512-B9luG4IRhql12JGoYeTlCTlizRAtaWmxu9dSyY+AOWO2pEMFFajZnzqF65GH8GVFsyJzfmXqnfdvPlS+mAM/Xw==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@types/socket.io/-/socket.io-2.1.4.tgz",
+      "integrity": "sha512-cI98INy7tYnweTsUlp8ocveVdAxENUThO0JsLSCs51cjOP2yV5Mqo5QszMDPckyRRA+PO6+wBgKvGvHUCc23TQ==",
       "dev": true,
       "requires": {
         "@types/node": "12.12.6"
@@ -689,9 +689,9 @@
       "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
     },
     "base64id": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
     },
     "basic-auth": {
       "version": "2.0.1",
@@ -1650,16 +1650,16 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "engine.io": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.3.2.tgz",
-      "integrity": "sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.4.0.tgz",
+      "integrity": "sha512-XCyYVWzcHnK5cMz7G4VTu2W7zJS7SM1QkcelghyIk/FmobWBtXE7fwhBusEKvCSqc3bMh8fNFMlUkCKTFRxH2w==",
       "requires": {
         "accepts": "1.3.7",
-        "base64id": "1.0.0",
+        "base64id": "2.0.0",
         "cookie": "0.3.1",
-        "debug": "3.1.0",
-        "engine.io-parser": "2.1.3",
-        "ws": "6.1.4"
+        "debug": "4.1.1",
+        "engine.io-parser": "2.2.0",
+        "ws": "7.2.0"
       },
       "dependencies": {
         "cookie": {
@@ -1668,24 +1668,29 @@
           "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
         },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "2.1.2"
           }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
     "engine.io-client": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.3.2.tgz",
-      "integrity": "sha512-y0CPINnhMvPuwtqXfsGuWE8BB66+B6wTtCofQDRecMQPYX3MYUZXFNKDhdrSe3EVjgOu4V3rxdeqN/Tr91IgbQ==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.4.0.tgz",
+      "integrity": "sha512-a4J5QO2k99CM2a0b12IznnyQndoEvtA4UAldhGzKqnHf42I3Qs2W5SPnDvatZRcMaNZs4IevVicBPayxYt6FwA==",
       "requires": {
         "component-emitter": "1.2.1",
         "component-inherit": "0.0.3",
-        "debug": "3.1.0",
-        "engine.io-parser": "2.1.3",
+        "debug": "4.1.1",
+        "engine.io-parser": "2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
         "parseqs": "0.0.5",
@@ -1701,19 +1706,32 @@
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "ws": {
+          "version": "6.1.4",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
+          "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
+          "requires": {
+            "async-limiter": "1.0.1"
           }
         }
       }
     },
     "engine.io-parser": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.3.tgz",
-      "integrity": "sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.0.tgz",
+      "integrity": "sha512-6I3qD9iUxotsC5HEMuuGsKA0cXerGz+4uGcXQEkfBidgKf0amsjrrtwcbwK/nzpZBxclXlV7gGl9dgWvu4LF6w==",
       "requires": {
         "after": "0.8.2",
         "arraybuffer.slice": "0.0.7",
@@ -2701,14 +2719,6 @@
         "wide-align": "1.1.3"
       }
     },
-    "generate-function": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
-      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
-      "requires": {
-        "is-property": "1.0.2"
-      }
-    },
     "get-caller-file": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -3279,11 +3289,6 @@
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
       "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o="
     },
-    "is-property": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
-      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
-    },
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
@@ -3568,6 +3573,7 @@
       "version": "4.1.5",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
       "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
+      "dev": true,
       "requires": {
         "pseudomap": "1.0.2",
         "yallist": "2.1.2"
@@ -3576,7 +3582,8 @@
         "yallist": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+          "dev": true
         }
       }
     },
@@ -3621,32 +3628,22 @@
       }
     },
     "mariadb": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/mariadb/-/mariadb-2.1.0.tgz",
-      "integrity": "sha512-ByA3hi0InQeZxg3S1lSLznz7kB9zjahPx/BrVqr/ELM1XUqE5dXCNqHPqFebC73iOX8G7ovprODf+E9LjClkEQ==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/mariadb/-/mariadb-2.1.2.tgz",
+      "integrity": "sha512-/llRVTxg4X6L3JgeqS83NNM2wG8JOXmBgmyHdjWnHYM7iu5uuSiJM4sB6a8K8haC/ROz/gWFPlh/6pdZ4da1RA==",
       "requires": {
         "@types/geojson": "7946.0.7",
-        "@types/node": "11.13.19",
+        "@types/node": "12.12.6",
         "denque": "1.4.1",
-        "iconv-lite": "0.4.24",
+        "iconv-lite": "0.5.0",
         "long": "4.0.0",
-        "moment-timezone": "0.5.25"
+        "moment-timezone": "0.5.27"
       },
       "dependencies": {
-        "@types/node": {
-          "version": "11.13.19",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.13.19.tgz",
-          "integrity": "sha512-tLRDU1hmcWamtgRT2iVRdraAQVGFQGgtcqracSo9XyMN1VeZLSVGb8RJJxVqab7UGbijoUijGPVFMjmqzyZIUw=="
-        },
-        "denque": {
-          "version": "1.4.1",
-          "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
-          "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
-        },
         "iconv-lite": {
-          "version": "0.4.24",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
-          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.5.0.tgz",
+          "integrity": "sha512-NnEhI9hIEKHOzJ4f697DMz9IQEXr/MMJ5w64vN2/4Ai+wRnvV7SBrL0KLoRlwaKVghOc7LQ5YkPLuX146b6Ydw==",
           "requires": {
             "safer-buffer": "2.1.2"
           }
@@ -3821,9 +3818,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "moment-timezone": {
-      "version": "0.5.25",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.25.tgz",
-      "integrity": "sha512-DgEaTyN/z0HFaVcVbSyVCUU6HeFdnNC3vE4c9cgu2dgMTvjBUBdBzWfasTBmAW45u5OIMeCJtU8yNjM22DHucw==",
+      "version": "0.5.27",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.27.tgz",
+      "integrity": "sha512-EIKQs7h5sAsjhPCqN6ggx6cEbs94GK050254TIJySD1bzoM5JTYDwAU1IoVOeTOL6Gm27kYJ51/uuvq1kIlrbw==",
       "requires": {
         "moment": "2.24.0"
       }
@@ -3838,39 +3835,6 @@
       "resolved": "https://registry.npmjs.org/mustache/-/mustache-3.0.3.tgz",
       "integrity": "sha512-vM5FkMHamTYmVYeAujypihuPrJQDtaUIlKeeVb1AMJ73OZLtWiF7GprqrjxD0gJWT53W9JfqXxf97nXQjMQkqA=="
     },
-    "mysql2": {
-      "version": "1.6.5",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-1.6.5.tgz",
-      "integrity": "sha512-zedaOOyb3msuuZcJJnxIX/EGOpmljDG7B+UevRH5lqcv+yhy9eCwkArBz8/AO+/rlY3/oCsOdG8R5oD6k0hNfg==",
-      "requires": {
-        "denque": "1.4.1",
-        "generate-function": "2.3.1",
-        "iconv-lite": "0.4.24",
-        "long": "4.0.0",
-        "lru-cache": "4.1.5",
-        "named-placeholders": "1.1.2",
-        "seq-queue": "0.0.5",
-        "sqlstring": "2.3.1"
-      },
-      "dependencies": {
-        "iconv-lite": {
-          "version": "0.4.24",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
-          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
-          "requires": {
-            "safer-buffer": "2.1.2"
-          }
-        }
-      }
-    },
-    "named-placeholders": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.2.tgz",
-      "integrity": "sha512-wiFWqxoLL3PGVReSZpjLVxyJ1bRqe+KKJVbr4hGs1KWfTZTQyezHFBbuKj9hsizHyGV2ne7EMjHdxEGAybD5SA==",
-      "requires": {
-        "lru-cache": "4.1.5"
-      }
-    },
     "nan": {
       "version": "2.10.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
@@ -4434,7 +4398,8 @@
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
+      "dev": true
     },
     "pstree.remy": {
       "version": "1.1.7",
@@ -4887,15 +4852,10 @@
         }
       }
     },
-    "seq-queue": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/seq-queue/-/seq-queue-0.0.5.tgz",
-      "integrity": "sha1-1WgS4cAXpuTnw+Ojeh2m143TyT4="
-    },
     "sequelize": {
-      "version": "5.16.0",
-      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-5.16.0.tgz",
-      "integrity": "sha512-1b2PNgxV3+HtaOCJ9gos4qQzvd8QEc5jz77MUxZg8+nqX4haSZWI7Rn0XzW1lPIRseKUXVHanyh/gqztsfJN+g==",
+      "version": "5.21.2",
+      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-5.21.2.tgz",
+      "integrity": "sha512-MEqJ9NwQi4oy/ylLb2WkfPmhki/BOXC/gJfc8uWUUTETcpLwD1y/5bI1kqVh+qWcECHNsE9G4lmhj5hFbsxqvA==",
       "requires": {
         "bluebird": "3.5.5",
         "cls-bluebird": "2.1.0",
@@ -4904,12 +4864,12 @@
         "inflection": "1.12.0",
         "lodash": "4.17.15",
         "moment": "2.24.0",
-        "moment-timezone": "0.5.25",
+        "moment-timezone": "0.5.27",
         "retry-as-promised": "3.2.0",
         "semver": "6.3.0",
         "sequelize-pool": "2.3.0",
         "toposort-class": "1.0.1",
-        "uuid": "3.3.2",
+        "uuid": "3.3.3",
         "validator": "10.11.0",
         "wkx": "0.4.8"
       },
@@ -4931,6 +4891,11 @@
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
           "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+        },
+        "uuid": {
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+          "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ=="
         }
       }
     },
@@ -5120,16 +5085,16 @@
       }
     },
     "socket.io": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.2.0.tgz",
-      "integrity": "sha512-wxXrIuZ8AILcn+f1B4ez4hJTPG24iNgxBBDaJfT6MsyOhVYiTXWexGoPkd87ktJG8kQEcL/NBvRi64+9k4Kc0w==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.3.0.tgz",
+      "integrity": "sha512-2A892lrj0GcgR/9Qk81EaY2gYhCBxurV0PfmmESO6p27QPrUK1J3zdns+5QPqvUYK2q657nSj0guoIil9+7eFg==",
       "requires": {
         "debug": "4.1.1",
-        "engine.io": "3.3.2",
+        "engine.io": "3.4.0",
         "has-binary2": "1.0.3",
         "socket.io-adapter": "1.1.1",
-        "socket.io-client": "2.2.0",
-        "socket.io-parser": "3.3.0"
+        "socket.io-client": "2.3.0",
+        "socket.io-parser": "3.4.0"
       },
       "dependencies": {
         "debug": {
@@ -5153,16 +5118,16 @@
       "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs="
     },
     "socket.io-client": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.2.0.tgz",
-      "integrity": "sha512-56ZrkTDbdTLmBIyfFYesgOxsjcLnwAKoN4CiPyTVkMQj3zTUh0QAx3GbvIvLpFEOvQWu92yyWICxB0u7wkVbYA==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.3.0.tgz",
+      "integrity": "sha512-cEQQf24gET3rfhxZ2jJ5xzAOo/xhZwK+mOqtGRg5IowZsMgwvHwnf/mCRapAAkadhM26y+iydgwsXGObBB5ZdA==",
       "requires": {
         "backo2": "1.0.2",
         "base64-arraybuffer": "0.1.5",
         "component-bind": "1.0.0",
         "component-emitter": "1.2.1",
-        "debug": "3.1.0",
-        "engine.io-client": "3.3.2",
+        "debug": "4.1.1",
+        "engine.io-client": "3.4.0",
         "has-binary2": "1.0.3",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
@@ -5179,22 +5144,57 @@
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "2.1.2"
+          }
+        },
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "socket.io-parser": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
+          "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+          "requires": {
+            "component-emitter": "1.2.1",
+            "debug": "3.1.0",
+            "isarray": "2.0.1"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+            }
           }
         }
       }
     },
     "socket.io-parser": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
-      "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.0.tgz",
+      "integrity": "sha512-/G/VOI+3DBp0+DJKW4KesGnQkQPFmUCbA/oO2QGT6CWxU7hLGWqU3tyuzeSK/dqcyeHsQg1vTe9jiZI8GU9SCQ==",
       "requires": {
         "component-emitter": "1.2.1",
-        "debug": "3.1.0",
+        "debug": "4.1.1",
         "isarray": "2.0.1"
       },
       "dependencies": {
@@ -5204,17 +5204,22 @@
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "2.1.2"
           }
         },
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
           "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
@@ -5275,11 +5280,6 @@
         "request": "2.87.0"
       }
     },
-    "sqlstring": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
-      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
-    },
     "sshpk": {
       "version": "1.14.2",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
@@ -6126,9 +6126,9 @@
       }
     },
     "ws": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
-      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.0.tgz",
+      "integrity": "sha512-+SqNqFbwTm/0DC18KYzIsMTnEWpLwJsiasW/O17la4iDRRIO9uaHbvKiAS3AHgTiuuWerK/brj4O6MYZkei9xg==",
       "requires": {
         "async-limiter": "1.0.1"
       }
diff --git a/package.json b/package.json
index 23a57df..132ae9a 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@types/http-errors": "^1.6.2",
     "@types/lodash": "^4.14.137",
     "@types/node": "^12.12.6",
-    "@types/socket.io": "^1.4.40",
+    "@types/socket.io": "^2.1.4",
     "@types/tokgen": "^1.0.0",
     "@types/umzug": "^2.2.2",
     "nodemon": "^1.19.4",
@@ -56,13 +56,12 @@
     "http-errors": "^1.7.3",
     "iab_verifier": "^0.1.2",
     "lodash": "^4.17.15",
-    "mariadb": "^2.1.0",
-    "mysql2": "^1.6.5",
+    "mariadb": "^2.1.2",
     "pg": "^7.12.1",
     "pg-hstore": "^2.3.3",
     "rate-limiter-flexible": "^1.1.6",
-    "sequelize": "^5.16.0",
-    "socket.io": "^2.2.0",
+    "sequelize": "^5.21.2",
+    "socket.io": "^2.3.0",
     "tokgen": "^1.0.0",
     "umzug": "^2.2.0"
   },