2 - improve parsing performance
3 - Detect password protected hosts.
4 - Implement remaining functions mentioned in
5 http://mpd.wikia.com/wiki/MusicPlayerDaemonCommands
6 add, delete, clear, move and playlistinfo should take an optional
7 playlist argument so that functions which differ only in that they
8 operate on specific playlists may be merged.
9 - figure out what exactly playlistfind and playlistsearch are supposed
11 - create lsdirs, lsfiles and lsplaylists