Patito

What's Changed
* Always use the same enum types for identical value domains in DuckDB by JakobGM in https://github.com/kolonialno/patito/pull/16


**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.2.0...v0.2.1

What's Changed

Exclusively things related to the experimental DuckDB support, none of which is public API yet.

* Implement `patito.sql.Case` construct by JakobGM in https://github.com/kolonialno/patito/pull/12
* Add include and exclude parameters to relation by JakobGM in https://github.com/kolonialno/patito/pull/13
* Implement `Relation.with_columns` for adding new relation columns by JakobGM in https://github.com/kolonialno/patito/pull/14
* Allow the use of the default DuckDB connection when constructing Relation objects by JakobGM in https://github.com/kolonialno/patito/pull/15


**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.1.8...v0.2.0

A few bug fixes related to `patito.duckdb.Relation`.

**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.1.7...v0.1.8

What's Changed
* Perform null-validation on enum-typed DuckDB columns by JakobGM in https://github.com/kolonialno/patito/pull/11


**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.1.6...v0.1.7

Fixes a bug in `v0.1.6` where enum columns could lose their column names when converted to polars.

**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.1.5...v0.1.6

What's Changed
* Make `Relation.execute` more robust to DuckDB bugs by JakobGM in https://github.com/kolonialno/patito/pull/10

This release supports a wider range of `pyarrow` versions as well.

**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.1.4...v0.1.5