diff --git a/package-lock.json b/package-lock.json
index 5890160..78c1374 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -171,7 +171,8 @@
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
 			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"assign-symbols": {
 			"version": "1.0.0",
@@ -181,7 +182,7 @@
 		},
 		"async": {
 			"version": "1.5.2",
-			"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=",
 			"dev": true
 		},
@@ -918,7 +919,8 @@
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
 			"integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"depd": {
 			"version": "1.1.2",
@@ -1169,12 +1171,6 @@
 			"integrity": "sha1-j2G3XN4BKy6esoTUVFWDtWQ7Yas=",
 			"dev": true
 		},
-		"eventemitter3": {
-			"version": "3.1.0",
-			"resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.0.tgz",
-			"integrity": "sha512-ivIvhpq/Y0uSjcHDcOIccjmYjGLcP09MFGE7ysAwkAvkXfpZlC985pH2/ui64DKazbTW/4kN3yqozUxlXzI6cA==",
-			"dev": true
-		},
 		"events": {
 			"version": "1.1.1",
 			"resolved": "http://registry.npmjs.org/events/-/events-1.1.1.tgz",
@@ -1383,7 +1379,8 @@
 			"version": "1.3.0",
 			"resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
 			"integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"eyes": {
 			"version": "0.1.8",
@@ -1551,7 +1548,7 @@
 			"dependencies": {
 				"combined-stream": {
 					"version": "1.0.6",
-					"resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+					"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
 					"integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
 					"dev": true,
 					"optional": true,
@@ -1614,7 +1611,8 @@
 				"ansi-regex": {
 					"version": "2.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -1635,12 +1633,14 @@
 				"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"
@@ -1655,17 +1655,20 @@
 				"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",
@@ -1782,7 +1785,8 @@
 				"inherits": {
 					"version": "2.0.3",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -1794,6 +1798,7 @@
 					"version": "1.0.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -1808,6 +1813,7 @@
 					"version": "3.0.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
@@ -1815,12 +1821,14 @@
 				"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"
@@ -1839,6 +1847,7 @@
 					"version": "0.5.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -1919,7 +1928,8 @@
 				"number-is-nan": {
 					"version": "1.0.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -1931,6 +1941,7 @@
 					"version": "1.4.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -2016,7 +2027,8 @@
 				"safe-buffer": {
 					"version": "5.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -2052,6 +2064,7 @@
 					"version": "1.0.2",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -2071,6 +2084,7 @@
 					"version": "3.0.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -2114,12 +2128,14 @@
 				"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
 				}
 			}
 		},
@@ -2280,7 +2296,7 @@
 				},
 				"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": {
@@ -2345,7 +2361,7 @@
 				},
 				"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": {
@@ -2395,7 +2411,7 @@
 				},
 				"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": {
@@ -2647,14 +2663,22 @@
 			}
 		},
 		"http-proxy": {
-			"version": "1.17.0",
-			"resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.17.0.tgz",
-			"integrity": "sha512-Taqn+3nNvYRfJ3bGvKfBSRwy1v6eePlm3oc/aWVxZp57DQr5Eq3xhKJi7Z4hZpS8PC3H4qI+Yly5EmFacGuA/g==",
+			"version": "1.18.1",
+			"resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+			"integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
 			"dev": true,
 			"requires": {
-				"eventemitter3": "^3.0.0",
+				"eventemitter3": "^4.0.0",
 				"follow-redirects": "^1.0.0",
 				"requires-port": "^1.0.0"
+			},
+			"dependencies": {
+				"eventemitter3": {
+					"version": "4.0.7",
+					"resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+					"integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+					"dev": true
+				}
 			}
 		},
 		"http-signature": {
@@ -2935,7 +2959,8 @@
 			"version": "0.1.2",
 			"resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
 			"integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"jasmine-core": {
 			"version": "3.2.1",
@@ -2957,7 +2982,8 @@
 			"version": "0.1.1",
 			"resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
 			"integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"jshint": {
 			"version": "2.9.6",
@@ -3262,7 +3288,7 @@
 				},
 				"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": {
@@ -4760,7 +4786,8 @@
 			"version": "0.14.5",
 			"resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
 			"integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"type-is": {
 			"version": "1.6.16",
@@ -5047,7 +5074,7 @@
 			"dependencies": {
 				"async": {
 					"version": "1.0.0",
-					"resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+					"resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
 					"integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
 					"dev": true,
 					"optional": true