[FEATURE] Optimised route matching, added optional parameters.

- Optimised route matching. This should be way more officient and also
  seems to fix issues with getting the current route using the getRoute class.

- Added support for optional routes, for example: {id?}.

- Updated documentation to reflect new changes.

src/Pecee/SimpleRouter/SimpleRouter.php

@@ -4,7 +4,7 @@
  * ---------------------------
  * Router helper class
  * ---------------------------
- * This class is added so calls can be made staticly like Router::get() making the code look more pretty.
+ * This class is added so calls can be made statically like Router::get() making the code look more pretty.
  */
 
 namespace Pecee\SimpleRouter;