diff --git a/package-lock.json b/package-lock.json
index 560a93c..30e61b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1385,15 +1385,23 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.6.2.tgz",
-      "integrity": "sha512-FBHEW6Jf5TB9MGBgUUA9XHkTbjXYfAUjY43ACMfmdMRHniyoMHjHjzD50OK8LGDWQwp4rWEsIq5kEqq7rvIM1g==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": 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"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
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+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+          "dev": true
+        }
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@@ -1573,7 +1581,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
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@@ -1602,7 +1610,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
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@@ -2469,7 +2477,7 @@
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-      "resolved": "http://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
       "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
       "dev": true
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@@ -4009,18 +4017,6 @@
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-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^2.0.1",
-            "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/ansi-regex/-/ansi-regex-4.1.0.tgz",
@@ -4932,12 +4928,6 @@
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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=",
-      "dev": true
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@@ -5271,7 +5261,8 @@
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-          "dev": true
+          "dev": true,
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@@ -5292,12 +5283,14 @@
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5312,17 +5305,20 @@
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
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@@ -5439,7 +5435,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5451,6 +5448,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -5465,6 +5463,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5472,12 +5471,14 @@
         "minimist": {
           "version": "0.0.8",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5496,6 +5497,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5576,7 +5578,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5588,6 +5591,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -5673,7 +5677,8 @@
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           "version": "5.1.2",
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-          "dev": true
+          "dev": true,
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@@ -5709,6 +5714,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5728,6 +5734,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5771,12 +5778,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6058,7 +6067,7 @@
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-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
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@@ -6836,7 +6845,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
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@@ -6849,7 +6858,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
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@@ -6874,7 +6883,7 @@
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-          "resolved": "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
           "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
           "dev": true
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@@ -6903,7 +6912,7 @@
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
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@@ -7781,7 +7790,7 @@
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-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
       "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
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@@ -7984,7 +7993,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
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@@ -9725,7 +9734,7 @@
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-          "resolved": "http://registry.npmjs.org/engine.io-client/-/engine.io-client-3.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.2.1.tgz",
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@@ -9772,7 +9781,7 @@
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-          "resolved": "http://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
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@@ -10090,7 +10099,7 @@
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -10199,18 +10208,6 @@
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-          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^2.0.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
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@@ -10522,7 +10519,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -11387,7 +11384,7 @@
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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@@ -11445,7 +11442,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
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@@ -11467,7 +11464,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
       "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
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