Add delegate method that allows to uncoditionally allow key code with modifier flags ignoring other rules specified by properties like allowed or required modifier flags.
Fix minor formatting issues.
Refs #15. Fix mouseDown and mouseUp events are mistakenly forwarded to the next responder even when handled.

This caused problems in view-based Table Views.
Merge branch 'develop' of git://github.com/Kentzo/ShortcutRecorder into develop
Refs #22. Fix key code representation equal to key equivalend but with different modifier flags considered equal.
Inc version of ShortcutRecorder.
Add :withObject to init for PTHotKey to do performSelector:withObject: like task
Convert to PTHotKey to ARC to solve the "Skipping registered port - it is invalid" exception