Ask to restore last session if a new quiz is started.
Hide panel when MediaMonkey is closed.
Add the first song from queue to quiz playlist on PlayNext.

Conflicts:
	Quizzor.vbs
Enable and Disable Start/Stop Quiz buttons when necessary.
Add Pause button and increase TrackBar update frequency.
Keep track time in position.
Save queue when next title is played.
Set option file on startup.
When creating new quiz, remove missing playlists and warn if no songs are visible.