Dlup

In this release the build tools have been modified. If you have issues installing dlup, please create an [issue](https://github.com/NKI-AI/dlup/issues)

What's Changed
* Allow annotation files with raster type (yet not supported) in https://github.com/NKI-AI/dlup/pull/245
* Add a C++ TIFF writer https://github.com/NKI-AI/dlup/pull/249

What's Changed
* Annotation filter bugfix by EricMarcus-ai in https://github.com/NKI-AI/dlup/pull/246

New Contributors
* EricMarcus-ai made their first contribution in https://github.com/NKI-AI/dlup/pull/246

**Full Changelog**: https://github.com/NKI-AI/dlup/compare/v0.6.0...v0.6.1

This release has performance and testing improvements. Backward incompatibility issues are not to be expected.

What's Changed
* Feature/speedup masking https://github.com/NKI-AI/dlup/pull/242
* Increased test coverage in https://github.com/NKI-AI/dlup/pull/242

**Full Changelog**: https://github.com/NKI-AI/dlup/compare/v0.5.3...v0.6.0

What's Changed
* Fix annotations not being cropped 241


**Full Changelog**: https://github.com/NKI-AI/dlup/compare/v0.5.2...v0.5.3

What's Changed
* Properly close open file handlers with PYVIPS image backend by AjeyPaiK in https://github.com/NKI-AI/dlup/pull/238


**Full Changelog**: https://github.com/NKI-AI/dlup/compare/v0.5.1...v0.5.2

What's Changed
Two small, but important bugs have been fixed

* Bugfix/multiclass flag by AjeyPaiK in https://github.com/NKI-AI/dlup/pull/234
* Implement proper serialization of the `dlup.annotations.Polygon` and `dlup.annotations.Polygon` objects to ensure correct pickling by AjeyPaiK in https://github.com/NKI-AI/dlup/pull/236


**Full Changelog**: https://github.com/NKI-AI/dlup/compare/v0.5.0...v0.5.1