history_state_notifier 0.0.4

Extends state_notifier to add a history feature that allows for undo/redo operations.

0.0.4

• Added stream of state updates to listen to updates that don't include temporary state

0.0.3

• Annotated transformHistoryState() as protected

0.0.2

• Fixed mistake in README
• Fixed redo queue not always being cleared
• Added example

0.0.1

• Initial release