0.12.0

What's changed

• Support for sample weights for both k-modes and k-prototypes algorithms, courtesy of @kklein (#174, #171)
• Add official support for Python 3.10 (#170)
• Bugfix for algorithm convergence (370d64b)
• Switch internally to pytest from nose (#170)
• Some small fixes and cleanups

Full Changelog: 0.11.1...0.12.0