Merge pull request #488 from Setsusan/master

fix for #466 (regression)

Lib/Timer.php

@@ -50,7 +50,7 @@ class Timer
      * @param EventInterface $event
      * @return void
      */
-    public static function init(EventInterface $event = null)
+    public static function init($event = null)
     {
         if ($event) {
             self::$_event = $event;