DRY code by collapsing GetValueFn<T> into ConvertDbValue
Use ColumnType when generate SQL
Add support for DateTimeOffset + MaxStringColumnDefinition in pgsql
Support pgsql naming strategy when trying to infer column from mangled names
Add SqlColumnRaw() and SqlTableRaw() ext methods for getting unquoted db names
Change tests so they work with db providers with alt naming strategy (i.e. pgsql)
Add support for StringFilter
Fix Oracle.Test build errors, move common base code to TestHelpers
Make DateTimeOffsetTests work for Oracle which does not allow such a column
to be a primary key or have a unique index. Which makes perfect sense, seems to
me other databases ought to have a similar restriction.
Merge pull request #374 from BruceCowan-AI/FixDateTimeOffsetTests

Make DateTimeOffsetTests work for Oracle which does not allow such a col...