diff --git a/package-lock.json b/package-lock.json
index 8f99bd5..6856918 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2266,7 +2266,8 @@
 				},
 				"ansi-regex": {
 					"version": "2.1.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -2284,11 +2285,13 @@
 				},
 				"balanced-match": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"brace-expansion": {
 					"version": "1.1.11",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"balanced-match": "^1.0.0",
 						"concat-map": "0.0.1"
@@ -2301,15 +2304,18 @@
 				},
 				"code-point-at": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"concat-map": {
 					"version": "0.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"console-control-strings": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"core-util-is": {
 					"version": "1.0.2",
@@ -2412,7 +2418,8 @@
 				},
 				"inherits": {
 					"version": "2.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -2422,6 +2429,7 @@
 				"is-fullwidth-code-point": {
 					"version": "1.0.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -2434,17 +2442,20 @@
 				"minimatch": {
 					"version": "3.0.4",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
 				},
 				"minimist": {
 					"version": "0.0.8",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"minipass": {
 					"version": "2.3.5",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "^5.1.2",
 						"yallist": "^3.0.0"
@@ -2461,6 +2472,7 @@
 				"mkdirp": {
 					"version": "0.5.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -2533,7 +2545,8 @@
 				},
 				"number-is-nan": {
 					"version": "1.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -2543,6 +2556,7 @@
 				"once": {
 					"version": "1.4.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -2618,7 +2632,8 @@
 				},
 				"safe-buffer": {
 					"version": "5.1.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -2648,6 +2663,7 @@
 				"string-width": {
 					"version": "1.0.2",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -2665,6 +2681,7 @@
 				"strip-ansi": {
 					"version": "3.0.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -2703,11 +2720,13 @@
 				},
 				"wrappy": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"yallist": {
 					"version": "3.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				}
 			}
 		},
@@ -7735,9 +7754,9 @@
 			}
 		},
 		"websocket-extensions": {
-			"version": "0.1.3",
-			"resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-			"integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+			"version": "0.1.4",
+			"resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+			"integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
 			"dev": true
 		},
 		"which": {