drop python2 support

plus other bug fixes.

Custom masks in LimeText, fixed bug in LimeTabular

• Added mask_string parameter to lime_text, allow user to control how tokens are masked.
• Fixed bug in truncnorm sampling where min == max

fixes, sparse support in LimeTabular

• Added sparse support for LimeTabularExplainer (thanks @imatiach-msft)
• Changed undiscretize function for LimeTabularExplainer, now using truncated normal
• Minor fixes: re.split in python3.7, submodular pick on non-binary tasks, others

small stuff

• LimeTabularExplainer accepts statistics rather than a dataset now
• various small fixes

Submodular pick, custom tokenization

0.1.1.32

version

Char level explanations, sampling around instance for continuous features in Tabular

0.1.1.31

version

Allow users to customize segmentation function, minor fixes

0.1.1.26

version

Random state, ascii bug

Minor fixes.

fixing imports

EntropyDiscretizer did not work due to imports.

fixing bugs

• bug in LimeImage
• bug where predict proba doesn't show