update to 2.4.3 version (build 403)

add config: swoole.max_wait_time (default 5)
add constant MAIN_WORKER
add getExpireTS() for LightCache
fix savePersistence() bug
add zm_go() to prevent errors

src/ZM/Event/SwooleEvent.php

@@ -0,0 +1,9 @@
+<?php
+
+
+namespace ZM\Event;
+
+
+interface SwooleEvent
+{
+}