Update lib/Libevent/Event/Event.php
Update lib/Libevent/Event/Event.php

in php 5.4 throw this Exception

PHP Fatal error:  Declaration of Libevent\Event\Event::disable() must be compatible with Libevent\Event\EventInterface::disable($events = NULL)
omgnull/php-libevent,omgnull/php-libevent,ansendu/php-libevent,ansendu/php-libevent