mount-iso:0.1.1:2013-04-11: Optimization
mount-iso:0.1.2:2013-04-12: FIX: file manager not reliably launched
mount-iso:0.2.0:2013-04-14: NEW: Reuse exiting empty mount point directory
mount-iso:0.2.1:2013-04-14: FIX: correctly parses user response to umount