diff --git a/package-lock.json b/package-lock.json
index 07b7a8c..c9c407c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,15 +33,23 @@
 			"dev": true
 		},
 		"ajv": {
-			"version": "6.5.5",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.5.tgz",
-			"integrity": "sha512-7q7gtRQDJSyuEHjuVgHoUa2VuemFiCMrfQc9Tc08XTAc4Zj/5U1buQJ0HU6i7fKjXU09SVgSmxa4sLvuvS8Iyg==",
+			"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": {
+					"version": "3.1.3",
+					"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+					"integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+					"dev": true
+				}
 			}
 		},
 		"alphanum-sort": {
@@ -846,7 +854,7 @@
 		},
 		"chalk": {
 			"version": "1.1.3",
-			"resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+			"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 			"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 			"dev": true,
 			"requires": {
@@ -1597,7 +1605,7 @@
 			"dependencies": {
 				"domelementtype": {
 					"version": "1.1.3",
-					"resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+					"resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
 					"integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
 					"dev": true
 				}
@@ -2188,12 +2196,6 @@
 				"time-stamp": "^1.0.0"
 			}
 		},
-		"fast-deep-equal": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-			"integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
-			"dev": true
-		},
 		"fast-json-stable-stringify": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
@@ -2457,7 +2459,8 @@
 				"ansi-regex": {
 					"version": "2.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -2478,12 +2481,14 @@
 				"balanced-match": {
 					"version": "1.0.0",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"brace-expansion": {
 					"version": "1.1.11",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"balanced-match": "^1.0.0",
 						"concat-map": "0.0.1"
@@ -2498,17 +2503,20 @@
 				"code-point-at": {
 					"version": "1.1.0",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"concat-map": {
 					"version": "0.0.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"console-control-strings": {
 					"version": "1.1.0",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"core-util-is": {
 					"version": "1.0.2",
@@ -2625,7 +2633,8 @@
 				"inherits": {
 					"version": "2.0.3",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -2637,6 +2646,7 @@
 					"version": "1.0.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -2651,6 +2661,7 @@
 					"version": "3.0.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
@@ -2658,12 +2669,14 @@
 				"minimist": {
 					"version": "0.0.8",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"minipass": {
 					"version": "2.2.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "^5.1.1",
 						"yallist": "^3.0.0"
@@ -2682,6 +2695,7 @@
 					"version": "0.5.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -2762,7 +2776,8 @@
 				"number-is-nan": {
 					"version": "1.0.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -2774,6 +2789,7 @@
 					"version": "1.4.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -2859,7 +2875,8 @@
 				"safe-buffer": {
 					"version": "5.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -2895,6 +2912,7 @@
 					"version": "1.0.2",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -2914,6 +2932,7 @@
 					"version": "3.0.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -2957,12 +2976,14 @@
 				"wrappy": {
 					"version": "1.0.2",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"yallist": {
 					"version": "3.0.2",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				}
 			}
 		},
@@ -3353,7 +3374,7 @@
 				},
 				"kind-of": {
 					"version": "1.1.0",
-					"resolved": "http://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
+					"resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
 					"integrity": "sha1-FAo9LUGjbS78+pN3tiwk+ElaXEQ=",
 					"dev": true
 				},
@@ -3372,7 +3393,7 @@
 				},
 				"through2": {
 					"version": "2.0.3",
-					"resolved": "http://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
+					"resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
 					"integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
 					"dev": true,
 					"requires": {
@@ -3439,7 +3460,7 @@
 				},
 				"kind-of": {
 					"version": "1.1.0",
-					"resolved": "http://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
+					"resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
 					"integrity": "sha1-FAo9LUGjbS78+pN3tiwk+ElaXEQ=",
 					"dev": true
 				},
@@ -3912,7 +3933,7 @@
 				},
 				"entities": {
 					"version": "1.0.0",
-					"resolved": "http://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
+					"resolved": "https://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
 					"integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
 					"dev": true
 				},
@@ -4670,7 +4691,7 @@
 				},
 				"yargs": {
 					"version": "6.6.0",
-					"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=",
 					"dev": true,
 					"requires": {
@@ -5252,7 +5273,7 @@
 			"dependencies": {
 				"semver": {
 					"version": "5.3.0",
-					"resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
 					"integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
 					"dev": true
 				}
@@ -5620,7 +5641,7 @@
 			"dependencies": {
 				"yargs": {
 					"version": "4.8.1",
-					"resolved": "http://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
+					"resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
 					"integrity": "sha1-wMQpJMpKqmsObaFznfshZDn53cA=",
 					"dev": true,
 					"requires": {
@@ -5642,7 +5663,7 @@
 				},
 				"yargs-parser": {
 					"version": "2.4.1",
-					"resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
+					"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
 					"integrity": "sha1-hVaN488VD/SfpRgl8DqMiA3cxcQ=",
 					"dev": true,
 					"requires": {
@@ -5887,7 +5908,7 @@
 			"dependencies": {
 				"fs-extra": {
 					"version": "1.0.0",
-					"resolved": "http://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
+					"resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
 					"integrity": "sha1-zTzl9+fLYUWIP8rjGR6Yd/hYeVA=",
 					"dev": true,
 					"optional": true,
@@ -5899,7 +5920,7 @@
 				},
 				"jsonfile": {
 					"version": "2.4.0",
-					"resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+					"resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
 					"integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
 					"dev": true,
 					"optional": true,
@@ -5911,7 +5932,7 @@
 		},
 		"pify": {
 			"version": "2.3.0",
-			"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
 		},
@@ -7632,7 +7653,7 @@
 			"dependencies": {
 				"source-map": {
 					"version": "0.4.4",
-					"resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+					"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
 					"integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
 					"dev": true,
 					"requires": {
@@ -7917,7 +7938,7 @@
 			"dependencies": {
 				"engine.io-client": {
 					"version": "3.2.1",
-					"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",
 					"integrity": "sha512-y5AbkytWeM4jQr7m/koQLc5AxpRKC1hEVUb/s1FUAWEJq5AzJJ4NLvzuKPuxtDi5Mq755WuDvZ6Iv2rXj4PTzw==",
 					"dev": true,
 					"requires": {
@@ -7958,7 +7979,7 @@
 				},
 				"socket.io-parser": {
 					"version": "3.2.0",
-					"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",
 					"integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
 					"dev": true,
 					"requires": {
@@ -8268,7 +8289,7 @@
 		},
 		"strip-ansi": {
 			"version": "3.0.1",
-			"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",
 			"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
 			"dev": true,
 			"requires": {
@@ -9000,7 +9021,7 @@
 		},
 		"yargs": {
 			"version": "6.4.0",
-			"resolved": "http://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
+			"resolved": "https://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
 			"integrity": "sha1-gW4ahm1VmMzzTlWW3c4i2S2kkNQ=",
 			"dev": true,
 			"requires": {
@@ -9022,7 +9043,7 @@
 		},
 		"yargs-parser": {
 			"version": "4.2.1",
-			"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=",
 			"dev": true,
 			"requires": {