-add <str> -> getnone
-addid <str> [<int>] -> getitem
-clear -> getnone
-delete <int> -> getnone
-deleteid <int> -> getnone
-move <int> <int> -> getnone
-moveid <int> <int> -> getnone
-playlist -> getplaylist
-playlistfind <locate> -> getsongs
-playlistid [<int>] -> getsongs
-playlistinfo [<int>] -> getsongs
-playlistsearch <locate> -> getsongs
-plchanges <int> -> getsongs
-plchangesposid <int> -> getchanges
-shuffle -> getnone
-swap <int> <int> -> getnone
-swapid <int> <int> -> getnone
+add <str> -> fetch_nothing
+addid <str> [<int>] -> fetch_item
+clear -> fetch_nothing
+delete <int> -> fetch_nothing
+deleteid <int> -> fetch_nothing
+move <int> <int> -> fetch_nothing
+moveid <int> <int> -> fetch_nothing
+playlist -> fetch_playlist
+playlistfind <locate> -> fetch_songs
+playlistid [<int>] -> fetch_songs
+playlistinfo [<int>] -> fetch_songs
+playlistsearch <locate> -> fetch_songs
+plchanges <int> -> fetch_songs
+plchangesposid <int> -> fetch_changes
+shuffle -> fetch_nothing
+swap <int> <int> -> fetch_nothing
+swapid <int> <int> -> fetch_nothing