Class playn.core.Keyboard

Added Methods
KeyEvent isKey(Key, Event)	A collector function for key events for {@code key}.
(Function<Event, KeyEvent>) isKey(Key)	Returns a collector function for key events for {@code key}.
KeyEvent keyEvents(Event)	Checks whether {@code event} is a {@code KeyEvent} and returns it (casted appropriately) if so.
TypedEvent typedEvents(Event)	Checks whether {@code event} is a {@code TypedEvent} and returns it (casted appropriately) if so.