added base controller default setup.

application/controllers/base.php

@@ -0,0 +1,17 @@
+<?php
+
+class Base_Controller extends Controller {
+
+	/**
+	 * Catch-all method for requests that can't be matched.
+	 *
+	 * @param  string    $method
+	 * @param  array     $parameters
+	 * @return Response
+	 */
+	public function __call($method, $parameters)
+	{
+		return Response::error('404');
+	}
+
+}