/**
  * Define your route model bindings, pattern filters, etc.
  *
  * @param  \Illuminate\Routing\Router  $router
  * @return void
  */
 public function boot(Router $router)
 {
     $this->bind('package', function ($slug) {
         return Package::whereSlug($slug)->firstOrFail();
     });
     $this->bind('packages', function ($id) {
         return Package::findOrFail($id);
     });
     parent::boot($router);
 }