CHANGELOG

2.5.0

added Debug\TraceableEventDispatcher (originally in HttpKernel)
changed Debug\TraceableEventDispatcherInterface to extend EventDispatcherInterface
added RegisterListenersPass (originally in HttpKernel)

2.1.0

added TraceableEventDispatcherInterface
added ContainerAwareEventDispatcher
added a reference to the EventDispatcher on the Event
added a reference to the Event name on the event
added fluid interface to the dispatch() method which now returns the Event object
added GenericEvent event class
added the possibility for subscribers to subscribe several times for the same event
added ImmutableEventDispatcher