Develop: Corrected inversed results for Dates.getXXXbetween() methods.

Includes (and supersedes) pull request #108 .  
Includes bug fixes for Dates.getXXXbetween() methods (Hours, Minutes, Seconds, Milliseconds) so that inversed result no longer returned.  

Successful local merge with OpenNTF Domino API:Nathan branch has been completed and pushed back to spanky762:develop branch.