Fixed Delta Timing
Got it working properly for Windows though it may be just a tad like 1
microsecond innacurate see the comment left in the source code. But
nevertheless this is better than nothing, please merge.
Fixing slight issue in the last version, see comment.
Removed unused variables and added comment.
Cleanup and implemented for XLIB.
Updated copyright headers.
Moving packages list to new repository.
Merge pull request #493 from RobertBColton/master

Fixed Delta Timing