consumer 0.1.4

consumer is like react-consumer state manage, use Stream at dart, consumer have memo and shoudWidgetUpdate function to intercept update.

0.1.4 Delete shouldWidgetUpdate API

0.1.3 Update readme

0.1.2 Update readme

0.1.1 Add code documents

0.1.0 Init package

• Update this state manage, use react-consumer style