Vision-datasets

What's Changed
* Update README.md by peiguo-ms in https://github.com/microsoft/vision-datasets/pull/81
* fix import error for FileReader and PILImageLoader by peiguo-ms in https://github.com/microsoft/vision-datasets/pull/80
* 1. fix hundreds of flake8 warning; 2. readme fix/improvements; 3. sup… by pj-ms in https://github.com/microsoft/vision-datasets/pull/91

New Contributors
* peiguo-ms made their first contribution in https://github.com/microsoft/vision-datasets/pull/81

**Full Changelog**: https://github.com/microsoft/vision-datasets/compare/v1.0.19...v1.0.20

What's Changed
* fix: use deepcopy for schema initialization by nisyad-ms in https://github.com/microsoft/vision-datasets/pull/90


**Full Changelog**: https://github.com/microsoft/vision-datasets/compare/v1.0.18...v1.0.19

What's Changed
* open-vocab od to kvp by nisyad-ms in https://github.com/microsoft/vision-datasets/pull/88


**Full Changelog**: https://github.com/microsoft/vision-datasets/compare/v1.0.17...v1.0.18

What's Changed
* Nisyad/add kvp adapter for vqa datasets by nisyad-ms in https://github.com/microsoft/vision-datasets/pull/87


**Full Changelog**: https://github.com/microsoft/vision-datasets/compare/v1.0.16...v1.0.17

What's Changed
* Chongyangbai/multilabel2kvp by cy-bai in https://github.com/microsoft/vision-datasets/pull/86


**Full Changelog**: https://github.com/microsoft/vision-datasets/compare/v1.0.15...v1.0.16