2.2.2

• fix up setup for Github actions

2.2.1

• ensure no deprecated functions are used
• improve setup.py
• use Github Actions

2.2.0

• Ensure we only use quantiles that are part of the features
• Added link to doc describing the algorithm

2.1.0

• Added support for features with zero variance
• Improved performance and less memory usage

2.0.0

• Switched to the procedure described in Blume, 2012 but normalized by
  a feature's stddev and extended to multiple quantiles
• Improved quantile estimation
• Now returning pandas.DataFrames consistently

1.2.0

• made featureimpact Python3 ready