todo
------
o Make composite port buttons (maybe)
o qt gui
o gnome and kde panel applet guis
o generalise cca/refresh code with a UI::idle function and virtual callbacks

 0.5.0
-------
o jack driver


 0.4
-----
o Listen to alsa in a thread


 0.3
-----


 0.2
-----
o Make resizable
o Get working without static functions (qt or gtk--)
o deal with exclusive, time update, realtime options better
o remove all UIness from Driver