Develop (#82)

* Fix #34 | Remove faulty whitespace (#68)

* Implement minor cleanups

* L5.6 Support

* Fix #76 | Implementation 'string' return type

* Fix #72 | Set php-cs-fixer to dev dependencies

* Fix #77 | Implementatie specifieke columns bij ->findOrFail(<id>);

* Fix #73 | Remove double class block

* Fix #79 | Implementatie simplePaginate();

* Update

src/ActivismeBE/Repositories/Contracts/RepositoryInterface.php

@@ -38,7 +38,7 @@ public function paginate($perPage = 1, $columns = ['*']);
      *
      * @return mixed
      */
-    public function simplePaginate($perPage = 1, $columns = ['*']);
+    public function simplePaginate(int $perPage = 25, array $columns = ['*']);
 
 
     /**