Clean Theme class. Move dependent code to App.
Ignore directory /TestResource for PHPUnit
Add View tests
Isolate slot template test
Add  Theme tests
Removed __toString() from Theme test. It belongs to View test.
Add method loadMessages() to Session class
Clean Validator. Remove App dependency - only Input dependency.
Add load messages test to Session
Add count rules method to Validator
Correct default action to required
Remove Input dependency from Validator, Rule and Action.
Remove Input dependency from Action.
Add Validator Action tests
Add Validator tests
Clean generic view. Move most dependencies to App.
Increment version to 0.5.0