Added check for empty string in sigdig. This fixes the problem I had with viewing some pages in the rf summary view. References issue #707
David Platten (approved)
Branch: issue707sigdigFailureIfPassedEmptyString
Branch: develop
Merged
Merged pull request
Merged in issue707sigdigFailureIfPassedEmptyString (pull request #263)
@LuukO and @edmcdonagh any comments welcome. The if statement at the beginning of the sigdig could be replaced by surrounding the routine in a try, except TypeError, but as it stands it works just fine.