control 0.2.0

Simple state management for Flutter with concurrency support.

0.2.0

• ADDED: HandlerContext to handlers, available at zone and observer.
• ADDED: name getter for Controller
• ADDED: void onHandler(HandlerContext context) to IControllerObserver
• REMOVED: done getter from Controller

0.1.0

• BREAKING CHANGE: Replace FutureOr with Future in handler

0.0.3-pre.1

• BREAKING CHANGE: Change handler api and implementation

0.0.2

• Add example to README.md
• ControllerRegistry only for debug mode

0.0.1-pre.0

• Initial release