v0.4.1 release corresponding to NeurIPS paper

v0.4.1 release corresponding to NeurIPS paper

What's Changed

• further clean up API into sklearn/keras style (v0.3.1) by @kmzzhang in #13
• Run pre-commit with different flags on merge to main by @stefanv in #27
• Organize engine.py (following PEP8) by @profjsb in #26
• Remove flake8 remnants by @stefanv in #29

Full Changelog: v0.3.1...v0.4.1

v0.3.1

upload workflow