/**
  * Register the service provider.
  *
  * @return void
  */
 public function register()
 {
     //Add a pretty error output for 404-Errors
     App::missing(function ($exception) {
         return $this->printPrettyError($exception, 404);
     });
     //Add pretty maintenance output
     App::down(function () {
         return $this->printPrettyError(new \Exception('Page is in maintenance mode'), 503);
     });
     //Add a pretty error output for any error
     App::error(function (\Exception $exception, $code) {
         //Log…
         Log::error($exception);
         //…and Return
         return $this->printPrettyError($exception, $code);
     });
 }