diff --git a/package-lock.json b/package-lock.json
index 6a10c0d..22d8c76 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.50"
+        "@types/node": "8.10.39"
       }
     },
     "@types/dotenv": {
@@ -25,7 +25,7 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.50"
+        "@types/node": "8.10.39"
       }
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     "@types/jest": {
@@ -47,7 +47,7 @@
       "dev": true,
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-        "@types/node": "8.0.50"
+        "@types/node": "8.10.39"
       }
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     "@types/mongoose": {
@@ -57,13 +57,13 @@
       "dev": true,
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-        "@types/node": "8.0.50"
+        "@types/node": "8.10.39"
       }
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.0.50.tgz",
-      "integrity": "sha512-N9OVsMBspboNvYaLAQnLEhb2eQ96lavogMR5LoH5k8nb1PvBZHSBFhzhsq2LNzGTBBOtBviOc1GiSu+wlM/pGw==",
+      "version": "8.10.39",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.39.tgz",
+      "integrity": "sha512-rE7fktr02J8ybFf6eysife+WF+L4sAHWzw09DgdCebEu+qDwMvv4zl6Bc+825ttGZP73kCKxa3dhJOoGJ8+5mA==",
       "dev": true
     },
     "abab": {
@@ -982,6 +982,7 @@
       "requires": {
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         "async-each": "1.0.1",
+        "fsevents": "1.2.4",
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         "inherits": "2.0.3",
         "is-binary-path": "1.0.1",
@@ -1705,6 +1706,535 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.4.tgz",
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+      "dev": true,
+      "optional": true,
+      "requires": {
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+        "node-pre-gyp": "0.10.0"
+      },
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+          "bundled": true,
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+          "dev": true,
+          "optional": true
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+          "version": "1.1.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
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+            "readable-stream": "2.3.6"
+          }
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+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
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+        "brace-expansion": {
+          "version": "1.1.11",
+          "bundled": true,
+          "dev": true,
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+            "concat-map": "0.0.1"
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+          "dev": true,
+          "optional": true
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+          "bundled": true,
+          "dev": true
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+          "bundled": true,
+          "dev": true
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+          "version": "1.1.0",
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+          }
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+          "version": "0.0.8",
+          "bundled": true,
+          "dev": true
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+          "version": "2.2.4",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.1.1",
+            "yallist": "3.0.2"
+          }
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+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
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+          "version": "0.5.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
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+          "bundled": true,
+          "dev": true,
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+            "iconv-lite": "0.4.21",
+            "sax": "1.2.4"
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+            "needle": "2.2.0",
+            "nopt": "4.0.1",
+            "npm-packlist": "1.1.10",
+            "npmlog": "4.1.2",
+            "rc": "1.2.7",
+            "rimraf": "2.6.2",
+            "semver": "5.5.0",
+            "tar": "4.4.1"
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+          "version": "4.0.1",
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+          "requires": {
+            "abbrev": "1.1.1",
+            "osenv": "0.1.5"
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+          "version": "1.1.10",
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+          "requires": {
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+            "npm-bundled": "1.0.3"
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+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
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+            "console-control-strings": "1.1.0",
+            "gauge": "2.7.4",
+            "set-blocking": "2.0.0"
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+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
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+          "version": "4.1.1",
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+          "dev": true,
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+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
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+          "version": "1.0.2",
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+          "dev": true,
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+          "bundled": true,
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+          "requires": {
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+            "os-tmpdir": "1.0.2"
+          }
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+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "process-nextick-args": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "rc": {
+          "version": "1.2.7",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "deep-extend": "0.5.1",
+            "ini": "1.3.5",
+            "minimist": "1.2.0",
+            "strip-json-comments": "2.0.1"
+          },
+          "dependencies": {
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+              "version": "1.2.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
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+          "version": "2.3.6",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "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": "1.0.2"
+          }
+        },
+        "rimraf": {
+          "version": "2.6.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
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+          }
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+          "bundled": true,
+          "dev": true
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+          "version": "2.1.2",
+          "bundled": true,
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+          "version": "1.2.4",
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+          "dev": true,
+          "optional": true
+        },
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+          "version": "5.5.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "set-blocking": {
+          "version": "2.0.0",
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+          "optional": true
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+          "version": "3.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "code-point-at": "1.1.0",
+            "is-fullwidth-code-point": "1.0.0",
+            "strip-ansi": "3.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
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+          }
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+        "strip-ansi": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "ansi-regex": "2.1.1"
+          }
+        },
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "tar": {
+          "version": "4.4.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "chownr": "1.0.1",
+            "fs-minipass": "1.2.5",
+            "minipass": "2.2.4",
+            "minizlib": "1.1.0",
+            "mkdirp": "0.5.1",
+            "safe-buffer": "5.1.1",
+            "yallist": "3.0.2"
+          }
+        },
+        "util-deprecate": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "wide-align": {
+          "version": "1.1.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "string-width": "1.0.2"
+          }
+        },
+        "wrappy": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "yallist": {
+          "version": "3.0.2",
+          "bundled": true,
+          "dev": true
+        }
+      }
+    },
     "generate-function": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.0.0.tgz",
@@ -4049,6 +4579,13 @@
       "resolved": "https://registry.npmjs.org/muri/-/muri-1.3.0.tgz",
       "integrity": "sha512-FiaFwKl864onHFFUV/a2szAl7X0fxVlSKNdhTf+BM8i8goEgYut8u5P9MqQqIYwvaMxjzVESsoEm/2kfkFH1rg=="
     },
+    "nan": {
+      "version": "2.12.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.12.1.tgz",
+      "integrity": "sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==",
+      "dev": true,
+      "optional": true
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -4835,6 +5372,7 @@
         "anymatch": "1.3.0",
         "exec-sh": "0.2.0",
         "fb-watchman": "2.0.0",
+        "fsevents": "1.2.4",
         "minimatch": "3.0.4",
         "minimist": "1.2.0",
         "walker": "1.0.7",
diff --git a/package.json b/package.json
index 0adfdf3..0b68c13 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
 		"@types/lodash": "^4.14.82",
 		"@types/mongodb": "^2.2.15",
 		"@types/mongoose": "^4.7.24",
-		"@types/node": "^8.0.50",
+		"@types/node": "^8.10.39",
 		"concurrently": "^3.5.0",
 		"jest": "^21.2.1",
 		"nodemon": "^1.12.1",