0.4.0

What's Changed

• Update citation and Python version by @aloctavodia in #72
• Make scikitlearn optional by @aloctavodia in #73
• Correct typos in the citation by @star1327p in #75
• Fixed another typo in index.rst by @star1327p in #76
• update optimization, examples and misc changes by @aloctavodia in #77
• Bug fixes, docs improvement, clean code by @aloctavodia in #78
• Add missing sphinx key and clean docstrings by @aloctavodia in #79

New Contributors

• @star1327p made their first contribution in #75

Full Changelog: 0.3.0...0.4.0