Version 5.0.0 release

applications/core/api/search.php

@@ -234,7 +234,7 @@ class search extends Controller
 			200,
 			array( $query, $flags, isset( Request::i()->q ) ? ( Request::i()->q ) : NULL, isset( Request::i()->tags ) ? explode( ',', Request::i()->tags ) : NULL, $operator ),
 			isset( Request::i()->page ) ? Request::i()->page : 1,
-			NULL,
+			'',
 			0,
 			$this->member,
 			isset( Request::i()->perPage ) ? Request::i()->perPage : NULL