[CLEANUP] Cleaned up code

- Change variable $values to $settings in Route::setSettings method.
- Added return types to methods.
- Added type to method variables.
- Change ClassNotFoundException so required parameters are first.

src/Pecee/SimpleRouter/Route/ILoadableRoute.php

@@ -82,6 +82,6 @@ interface ILoadableRoute extends IRoute
      * @param string $regex
      * @return static
      */
-    public function setMatch($regex): self;
+    public function setMatch(string $regex): self;
 
 }