python-ctypes: accomodate both old and new message exception getter
python-ctypes: accomodate both old and new message exception getter

pombreda/git.videolan.org-vlc-bindings-python,metakermit/vlc-bindings-python,oaubert/python-vlc,metakermit/vlc-bindings-python,geoffsalmon/vlc-python,oaubert/python-vlc,kermit666/vlc-bindings-python,pombreda/git.videolan.org-vlc-bindings-python,geoffsalmon/vlc-python,kermit666/vlc-bindings-python