Bug 1331 - detachAll listeners from EventsManager
Bug 1331 - detachAll listeners from EventsManager
Bug 1331 - detachAll listeners from EventsManager changes
Deprecated warnings disabled for dettachAll() method
Merge pull request #1337 from Cinderella-Man/1.3.0-issue-1331

[BUG] Phalcon\Events\Manager->attach('event') fails when preceded by ->dettach('event').