New Features:
* YOLOv3 base, pruned, pruned-quantized models added for ultralytics/yolov5 repo.
* Keras pruned resnet models implemented.
* Ability to load recipes from SparseZoo stubs available.
* Ability to load the base weights for a sparsified model available.
Changes:
* Default log level changed to warn.
* SparseZoo backend improved for faster deployments and more uptime.
Resolved Issues:
* Docs and readme corrections made for minor issues and broken links.
* Makefile no longer deletes files for docs compilation and cleaning.
Known Issues:
* None