up by create() and populate()
- Ensure definitive condition extractor handles bizarre corner cases
without bombing out (RT#93244)
+ - Fix set_column on non-native (+columns) selections (RT#86685)
- Fix set_inflated_column incorrectly handling \[] literals (GH#44)
- Ensure that setting a column to a literal invariably marks it dirty
- Work around exception objects with broken string overloading in one