-added: "Stay on top" button
-removed: minimize to tray button (did not work on Vista) - please use "Tools -> Minimize to Tray" for now
-fixed: problem with ballon message when moving the mouse over the tray icon
-changed: changed code to use a new function of the BASS library to seamlessly switch sound devices while playing
-changed: move some menu items into the new menu called "All Slots"
