PEP8: coding style violation
Issue #41: issue with duplicate element on the autocomplete list
Merge remote-tracking branch 'upstream/master' into py3port

Conflicts:
	qtodotxt/lib/settings.py
	qtodotxt/lib/todolib.py
	qtodotxt/ui/controllers/main_controller.py
	qtodotxt/ui/controllers/tasks_list_controller.py
	qtodotxt/ui/views/tasks_view.py