What's Changed
* Improve logging for SaveBestModelCallback by Chris-hughes10 in https://github.com/Chris-hughes10/pytorch-accelerated/pull/35
* Add sync batchnorm callback by Chris-hughes10 in https://github.com/Chris-hughes10/pytorch-accelerated/pull/34
* Add Ema model callback by Chris-hughes10 in https://github.com/Chris-hughes10/pytorch-accelerated/pull/36
**Full Changelog**: https://github.com/Chris-hughes10/pytorch-accelerated/compare/v0.1.35...v0.1.36