/**
  * Redirect to previous page with error rather than throwing exception.
  */
 public function handle($request, \Closure $next)
 {
     if ($request->input('_token')) {
         if (\Session::getToken() != $request->input('_token')) {
             return redirect()->guest('/')->with('global', 'Your session has expired. Please try logging in again.');
         }
     }
     return parent::handle($request, $next);
 }