Button labels in ask_password GUI
Rebased assistants
Rebased assistants (fix for #233)
Docs for ask_input
Manual page update
Fixes #235 including test suite
Fix some minor issues. Catch exeption via pytest.raises
Merge branch 'master' of https://github.com/phracek/devassistant

Conflicts:
	devassistant/gui/__init__.py
	test/test_devassistant_gui.py