diff --git a/package-lock.json b/package-lock.json
index 54d32a1..7604817 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,15 +40,23 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
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+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
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       "optional": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
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+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
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+          "optional": true
+        }
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@@ -97,15 +105,13 @@
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       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
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-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "requires": {
-        "lodash": "^4.17.10"
-      }
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
+      "integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g=="
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@@ -244,6 +250,7 @@
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@@ -333,6 +340,11 @@
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       "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs="
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+    "crypto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
+      "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig=="
+    },
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       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -367,7 +379,8 @@
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       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "optional": true
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@@ -538,12 +551,7 @@
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       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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-    "fast-deep-equal": {
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-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
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@@ -785,7 +793,8 @@
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       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
+      "optional": true
     },
     "json-schema": {
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@@ -859,9 +868,9 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
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     "md5": {
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@@ -991,6 +1000,16 @@
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         "safe-buffer": "5.1.2",
         "sliced": "1.0.1"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+          "requires": {
+            "lodash": "^4.17.10"
+          }
+        }
       }
     },
     "mongoose-legacy-pluralize": {
@@ -1121,6 +1140,11 @@
         "lcid": "^1.0.0"
       }
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+    "parse-error": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/parse-error/-/parse-error-0.2.0.tgz",
+      "integrity": "sha1-ojbVB2y+GWwVeBuJKyDQtpdZ/1s="
+    },
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@@ -1670,7 +1694,8 @@
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       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "optional": true
     },
     "type-is": {
       "version": "1.6.16",