Better help.
Better output handling.
Tweaked version routine.
Added command line main.
Include command line main in public headers.
Xcode 5 project update.
Xcode caught up with change in product name.
Better output for unknown commands.
Added argument count checking.
Improved error reporting.
Added optionForKey to retrieve option values.
Updated last upgrade check
Better error reporting.
Include the build number in the version information.
Just show command summary for basic help message.
Implemented help for individual commands.
More help improvements.
show optional and default values.