* Add FilterColumnsByUnique
* Fix lots of broken tests
* Made CompareVals less stupid
Note: UpdateAll tests still broken because Unique
is not being fetched correctly for INDEX types,
it is only working for UNIQUE constraints.
* Add enforced to column data
* Add enforced list to driver
* Fix bug in TitleCase (now uses regexp)
* Fix broken zero-value enforced type inserts by using RandomizeEnforcedStruct