initial proto
playlist now correctly ignores unknown file types
[WIP] src
fixed SRC
don't do SRC if frequencies are the same
thrown in some gui
playlist scrolling
added separate thread for sdl stuff, to be able to pass messages
added support for mono streams
added mp3 support
fixed mp3 playback
fixed playback of files which do not require SRC
play control buttons
some playlist improvements
[wip] multithreading
more multithreading fixes
small fix to mp3 streamer
fixed mp3 codec
very slow and bad seeking support
faster mp3 startup and seeking