* Fix a namespacing issue

 * Force request to start as null instead of undefined
 * add App->bind()

app.class.php

@@ -13,7 +13,7 @@
 			private $routers;
 			private $router;
 			public $_onerror;
-			public $request;
+			public $request = null;
 			public $response;
 			public function __construct(string $name, callable $fn = null, array $events = null){
 				$this->name = $name;
@@ -78,7 +78,7 @@
 			public static function shutdown_error($error){
 				foreach(static::$apps as $k => $app){
 					if(is_null($app->request)){
-						$app->$request = new Request(static::get_url(), getallheaders(), file_get_contents( 'php://input','r'));
+						$app->request = new Request(static::get_url(), getallheaders(), file_get_contents( 'php://input','r'));
 					}
 					$app->onerror($app->request, $app->response, $error);
 					$app->response->shutdown();
@@ -128,7 +128,7 @@
 					// Base router for non-prefixed paths
 					$this->router->handle($url["path"], $req, $res, function($req, $res) use($handled, $self){
 						if(!$handled){
-							$self->onerror($req, $res,new Error("Not Found", 404));
+							$self->onerror($req, $res,new App\Exception("Not Found", 404));
 						}
 					}, $onerror);
 					$this->fire('afterhandle', $req, $res);
@@ -166,6 +166,13 @@
 				}
 				return $this;
 			}
+			public function bind(string $hosts, callable $fn){
+				$hosts = array_map(function($item){
+					return trim($item);
+				}, explode(',', $hosts));
+				$host = array_pop($hosts);
+				return $this->map_domain($host, $hosts)->domain($host, $fn);
+			}
 			public function onerror(Request $req, Response $res, $error){
 				$this->fire('error', $error);
 				$fn = $this->_onerror;