Bug fix for issue #128 - Flexible range minLength bug.  (Unit tests added)
Possible bug fix for issue #125. Unit test added.
Minor performance optimization. We shouldn't need to update the visibility unless the rangeOptions changed.
Minor bug fix. Copying fix from commit e2ee3a348d3a8b0efb973c37c3a9c95404ad769a into another location.
Merge pull request #1 from yapstudios/master

update