Code + Comment cleanup for the middlewares

ref #39

src/middlewares/ErrorHandler.ts

@@ -1,7 +1,7 @@
 import { ExpressErrorMiddlewareInterface, Middleware } from "routing-controllers";
 
 /**
- * Our Error handling middlware that returns our custom httperrors to the user
+ * Our Error handling middlware that returns our custom httperrors to the user.
  */
 @Middleware({ type: "after" })
 export class ErrorHandler implements ExpressErrorMiddlewareInterface {