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* Sparse attn + ops/runtime refactor + v0.3.0
Co-authored-by: Arash Ashari <arashari@microsoft.com>
Co-authored-by: Arash Ashari <arashari@microsoft.com>

* add auto-detect to torch dist init

* update tests to infer distributed init status

* prevent crash if dist_init_required is True but already initiliazed

* only init if safe to do so (forgot to add this file in prev commit)

Also a fix for #94 

* simplifying the batch config, using a single assert to test for validity and allowing for specifying only the micro batch size

* Simplifying Batch Config, Adding ability to specify batch using just micro_batch, and adding a bunch of unit tests

* ran formatting

* Typo fixes and added the config file

* reformatting

* path fixes

* removing print statements