diff --git a/package-lock.json b/package-lock.json
index 684331b..1469138 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3165,12 +3165,6 @@
             "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
             "dev": true
         },
-        "eventemitter3": {
-            "version": "3.1.2",
-            "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.2.tgz",
-            "integrity": "sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==",
-            "dev": true
-        },
         "events": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/events/-/events-3.0.0.tgz",
@@ -3733,7 +3727,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -3754,12 +3749,14 @@
                 "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"
@@ -3774,17 +3771,20 @@
                 "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",
@@ -3901,7 +3901,8 @@
                 "inherits": {
                     "version": "2.0.3",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "ini": {
                     "version": "1.3.5",
@@ -3913,6 +3914,7 @@
                     "version": "1.0.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "number-is-nan": "^1.0.0"
                     }
@@ -3927,6 +3929,7 @@
                     "version": "3.0.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "brace-expansion": "^1.1.7"
                     }
@@ -3934,12 +3937,14 @@
                 "minimist": {
                     "version": "0.0.8",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "minipass": {
                     "version": "2.3.5",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.2",
                         "yallist": "^3.0.0"
@@ -3958,6 +3963,7 @@
                     "version": "0.5.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "minimist": "0.0.8"
                     }
@@ -4038,7 +4044,8 @@
                 "number-is-nan": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "object-assign": {
                     "version": "4.1.1",
@@ -4050,6 +4057,7 @@
                     "version": "1.4.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "wrappy": "1"
                     }
@@ -4135,7 +4143,8 @@
                 "safe-buffer": {
                     "version": "5.1.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -4171,6 +4180,7 @@
                     "version": "1.0.2",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "code-point-at": "^1.0.0",
                         "is-fullwidth-code-point": "^1.0.0",
@@ -4190,6 +4200,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -4233,12 +4244,14 @@
                 "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
                 }
             }
         },
@@ -4625,14 +4638,22 @@
             "dev": true
         },
         "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-proxy-middleware": {