The MSG_ID_SET_SONGNAME message now handles streams.
If the argument to MSG_ID_SET_SONGNAME is a single string, treat
it as the song name (or stream channel name).
- [DH] bin/euphoria
- [DH] data/themes/iio/iio.edc
- [DH] data/themes/winter/groups/euphoria.edc
- [DH] lib/playlist_item.rb