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