handle unicode also elsewhere than in log messages, most notable handle them in arguments (issue 338)
handle unicode also elsewhere than in log messages, most notable handle them in arguments (issue 338)

--HG--
extra : convert_revision : svn%3A79c32731-664e-0410-8185-e51b9e89f9fb/trunk%402022

userzimmermann/robotframework-python3,Senseg/robotframework,userzimmermann/robotframework-python3,Senseg/robotframework,Senseg/robotframework,Senseg/robotframework,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,Senseg/robotframework,userzimmermann/robotframework-python3