chainladder 0.7.1

Enhancements

• Added heatmap method to Triangle - allows for conditionally formatting a 2D triangle. Useful for detecting link_ratio outliers
• Introduced BerquistSherman estimator
• Better error messaging when triangle columns are non-numeric
• Broadened the functionality of Triangle.trend
• Allow for nested estimators in to_json. Required addition for the new BerquistSherman method
• Docs, docs, and more docs.

Bug Fixes

• Mixed an inappropriate mutation in MunichAdjustment.transform
• Triangle column slicing now supports pd.Index objects instead of just lists

Other

• Moved BootstrapODPSample to workflow section as it is not a development estimator.