Fixed a bug where Command-tab and other Command-non-modifier-key combinations would sometimes cause the hotkeyOn state to become locked in, as no flag-changed event would be delivered to the event monitor.
Fixed a bug where you could only open the About window once, and then never again.
Some basic UI additions - more to come
Implemented snapping to right and left edges of the screen (margin is within 10px)
Merge remote-tracking branch 'origin/master'