Rawpy

- Update LibRaw to 0.19.5
- Add support for DNG deflate, DNG lossy, RedCine*, LCMS* (*not for Windows, see README)
- Add support for stacked RAW images, like Foveon (88)
- Add new API function `extract_thumb` for extracting thumbnails / preview images (98)
- Expose LibRaw errors as separate exception classes & introduce new base class `LibRawError`
- Add Python 3.8 wheels
- Drop 32bit Windows wheels
- Drop Python 2 support
- Fix `black_level_per_channel` (78)
- Fix DLL issue on Windows (87)

- Fix import issue on Windows with Python 2.7 (55)

- Added Python 3.7 wheels

- Added noise reduction postprocessing options (45)
- Fixed "Unsufficient memory" error sometimes occuring on Linux since 0.11.0 (47)
- Fixed `raw_colors` / `raw_pattern` being incorrect in rare cases (46)

- Updated libraw to 0.19.0
- Fix sdist installation

- documentation update (can't update package description anymore after a release, see https://github.com/pypa/warehouse/issues/2170)