trple 1.0.0-dev.4

Abstraction for the Segmented State Pattern.

1.0.0-dev.5

• Store class now extends ChangeNotifier;
• Added dispose and execute methods to Store class;

1.0.0-dev.4

• Removed execute method to Store class;

1.0.0-dev.3

• Removed macros;
• Added execute method to Store class;