Update dependencies

package.json

@@ -4,38 +4,38 @@
   "description": "Password generator for BIOS",
   "main": "decrypt_bios.js",
   "dependencies": {
-    "@types/long": "^3.0.32",
     "@types/jasmine": "^2.8.3",
-    "gulp-jasmine": "^3.0.0",
-    "typescript": "^2.6.2",
-    "long": "dcodeIO/long.js"
+    "@types/long": "^3.0.32",
+    "gulp-jasmine": "^4.0.0",
+    "long": "github:dcodeIO/long.js"
   },
   "devDependencies": {
-    "clean-webpack-plugin": "^0.1.18",
-    "copy-webpack-plugin": "^4.3.1",
+    "clean-webpack-plugin": "^0.1.19",
+    "copy-webpack-plugin": "^4.5.1",
     "coveralls": "^3.0.0",
     "del": "^3.0.0",
     "gulp": "^3.9.1",
     "gulp-istanbul": "^1.1.3",
     "gulp-sourcemaps": "^2.6.4",
-    "gulp-tslint": "^8.1.2",
-    "gulp-typescript": "^3.2.3",
-    "html-webpack-plugin": "^2.30.1",
+    "gulp-tslint": "^8.1.3",
+    "gulp-typescript": "^4.0.2",
+    "html-webpack-plugin": "^3.2.0",
     "istanbul": "^0.4.5",
-    "karma": "^2.0.0",
+    "karma": "^2.0.2",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.1.0",
     "karma-jasmine": "^1.1.1",
     "karma-sauce-launcher": "^1.2.0",
     "karma-sourcemap-loader": "^0.3.7",
-    "karma-webpack": "^2.0.9",
-    "remap-istanbul": "^0.10.1",
-    "ts-loader": "^3.3.1",
-    "tslint": "^5.8.0",
-    "typescript": "^2.6.2",
-    "webpack": "^3.10.0",
+    "karma-webpack": "^3.0.0",
+    "remap-istanbul": "^0.11.0",
+    "ts-loader": "^4.2.0",
+    "tslint": "^5.9.1",
+    "typescript": "^2.8.3",
+    "webpack": "^4.6.0",
+    "webpack-cli": "^2.0.15",
     "webpack-closure-compiler": "^2.1.6",
-    "webpack-dev-server": "^2.11.1"
+    "webpack-dev-server": "^3.1.3"
   },
   "scripts": {
     "test": "gulp test",