CovsirPhy v2.22.2

Scenario analysis

• [Fix] fit_predict() raises TypeError when zeros are used as parameter values #954
• [Fix] class Scenario estimate_accuracy() and fit() returns KeyError #957

Acknowledgement

Special thanks for users and developers!

• @baluballa

Related issues and pull requests:
https://github.com/lisphilar/covid19-sir/milestone/41?closed=1