Bump version to 0.4.2

Remove pytest-catchlog dependency

This library has been moved into the core pytest

Merge pull request leighmck#3 from leighmck/develop

Merge develop branch

Bump version to 0.3.1

Implement specific statechart deactivate function.

Bump version to 0.3.0

Implement display module to generate Plant UML code of a statechart.

Add runtime check for (entry, do or exit) actions defined on the top
level statechart (they will not be executed).

Bump version to 0.2.4

Fix internal transition acting like local transition.

Bump version to 0.2.3 for change to consumption of dispatched events

Bump version to 0.2.2 for default transition bug fix

Bump version to 0.2.1 for final state bug fix

Initial release 0.2.0