BuiltIn/WUKS: Document, with example, that return value of executed kw is returned.
BuiltIn/WUKS: Document, with example, that return value of executed kw is returned.

Update issue 1677
Status: Done
Owner: pekka.klarck
Added the example. Also added a note that if the executed keyword passes, its return value is returned.

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