== Status Commands
clearerror -> fetch_nothing
currentsong -> fetch_object
-idle <str> -> fetch_list
+idle [<str>] -> fetch_list
noidle -> None
status -> fetch_object
stats -> fetch_object
playlistsearch <locate> -> fetch_songs
plchanges <int> -> fetch_songs
plchangesposid <int> -> fetch_changes
-shuffle -> fetch_nothing
+shuffle [<str>] -> fetch_nothing
swap <int> <int> -> fetch_nothing
swapid <int> <int> -> fetch_nothing
notcommands -> fetch_list
tagtypes -> fetch_list
urlhandlers -> fetch_list
+decoders -> fetch_plugins