0.12
----
*) data structures
	*) add 2-3 tree for sorted data structures
	*) remove changes made to linked list for TagTracker

*) add error codes for status->error

*) Cleanup Config File Code

*) input plugins
	*) Handle mp1 and mp2 files (including files with mp3 suffixes) 
	*) add support for playing aac streams (gee, thanks icecast)
	*) parsing of lame tags (including getting replaygain and gapless info)
	*) read replaygain info from id3 tag

*) aduio output
	*) allowing "pausing" of audio output devices
	*) while pausing, play silence for the devices that don't support 
	   "pausing"
	*) pick a default type depending on what we detect at compile time
		*) don't attempt to autodetect, i think this will just cause
			problems
		*) output default audio device at the end of the configure
			script
	*) write a mac os X native audioOutput
	*) write a esd native audioOutput
	*) remove libao support!
	*) need better resampling code

0.13
----

*) cleanup linked list code!

*) implement listener socket protocol as documented here:
	http://www.musicpd.org/wiki/moin.cgi/MpdListenerProtocol

*) rewrite saved playlist code
	*) abstract out saved playlists from playlist.c
	*) command for displaying playlist contents
	*) command for appending to playlist
	*) new commands
		*) clear <playlist> /* synonym for rm */
		*) add <playlist> <path>
		*) playlist <playlist> /* displays saved playlist */
		*) replace <playlist> /* replace current playlist
						with saved playlist and
						keep playing */

*) state
	*) abstract out state code from playlist.c
	*) save states of audioOutput devices
	*) put MPD Version in statefile

*) add command for inserting songs in a specific position

0.14
----
*) support for dynamically loading plugins