Update build tools.

Author: ryanelian

README.MD

@@ -54,7 +54,7 @@ let v = new ValidationService();
 v.bootstrap();
 ```
 
-> Shameless self-promotion: use [instapack](https://github.com/ryanelian/instapack) for painless web application client development using TypeScript!
+> Shameless self-promotion: use [instapack](https://github.com/ryanelian/instapack) for easy, rapid, and painless web application client development using TypeScript!
 
 ## Why?
 

package.json

@@ -16,10 +16,10 @@
     "build": "webpack && webpack --config webpack.config.min.js"
   },
   "devDependencies": {
-    "ts-loader": "^4.1.0",
-    "typescript": "^2.8.1",
-    "webpack": "^4.5.0",
-    "webpack-cli": "^2.0.14"
+    "ts-loader": "^4.2.0",
+    "typescript": "^2.8.3",
+    "webpack": "^4.6.0",
+    "webpack-cli": "^2.0.15"
   },
   "dependencies": {}
 }