Accelerate

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

What's Changed
* Update Custom sampler handling by Chris-hughes10 in https://github.com/Chris-hughes10/pytorch-accelerated/pull/33


**Full Changelog**: https://github.com/Chris-hughes10/pytorch-accelerated/compare/v0.1.34...v0.1.35

**Full Changelog**: https://github.com/Chris-hughes10/pytorch-accelerated/compare/v0.1.33...v0.1.34

hotfix

What's Changed
* Add limit batches context manager by Chris-hughes10 in https://github.com/Chris-hughes10/pytorch-accelerated/pull/32


**Full Changelog**: https://github.com/Chris-hughes10/pytorch-accelerated/compare/v0.1.31...v0.1.32

-Update how random seeds are set across processes