New feature: Eventdispatcher adapter abstraction for Laravel, Symfony and Zend - still needs tests
Add recursive removal of listeners for the Symfony adapter
Rough testing on the Laravel adapter, though that will need more testing, especially with the subscriber
Add tests for the different definition types
Lock laravel to 4.2 since they don't follow semver
Add factory and related manipulative setters
Listener handling for the ZendAdapter tested
Full implementation of event dispatcher abstraction
Update composer dependencies