add a comparator impl, move compare call over to comparator, make null
safe.
formatting cleanup
sort column names artf231276
use better comparator
Merge branch 'develop' of https://github.com/Apelon-VA/ISAAC.git into develop
catch up with OTF API tweak
Merge branch 'develop' of https://github.com/Apelon-VA/ISAAC.git into develop
fix whitespace
fix issue with OTF APIs which was preventing user concepts from being
created in some cases.