Intentionally very simple event emitter.
Stops listening to an event.
the event to stop listening to.
the function to remove from the listener array.
Starts listening to an event.
the event to listen to.
function to be called when an this event is emitted.
optional priority to insert this hook with. Higher priority is placed earlier in the listener array.
Emits an event to all currently subscribed listeners.
the event to emit.
any arguments required for the event.
Intentionally very simple event emitter.