What's Changed
* DuckDB: Fix conjunction of multiple relation filters by JakobGM in https://github.com/kolonialno/patito/pull/26
* Create sphinx documentation for all core classes, methods, and properties by JakobGM in https://github.com/kolonialno/patito/pull/27
* Major overhaul of all documentation by JakobGM in https://github.com/kolonialno/patito/pull/29
* Make the DuckDB API consistent with the polars API by JakobGM in https://github.com/kolonialno/patito/pull/35
**Full Changelog**: https://github.com/kolonialno/patito/compare/v0.3.2...v0.4.0