No longer doing a "clone" on the $handler in 'call' method since Zend\EventManager::detach() does not destroy the $handler reference. No need to create a copy when it is not necessary.
No longer doing a "clone" on the $handler in 'call' method since
Zend\EventManager::detach() does not destroy the $handler reference. No
need to create a copy when it is not necessary.

wilmoore/reactq