Version bump for @moschlar's hotfix.
Merge branch 'release/2.2.0'

Conflicts:
	setup.py
Merge branch 'release/2.2.0.2'
Merge branch 'release/2.2.0.3'
Test unit to replicate issue with CheckBox widget, after validation fails it is not possible to display it for error reporting
Fix issue with Checkboxes validation
Merge pull request #31 from amol-/master

CheckBox cannot be displayed for error reporting after they fail validation
Version bump and Changelog
Merge branch 'release/2.2.2'
Merge tag '2.2.2' into develop

Release version 2.2.2