Altered:
- AMDataSourceSeriesData now does the correct check in updateCachedValues(). The previous call was missing a ! in the check to see if the dataRange was invalid, so it was doing the opposite of what it should have been.
Merge pull request #1066 from acquaman/Issue1064

@dretrex and I spent quite a bit of time on this yesterday. Ready to go and should be applied to all deployments as soon as possible.