0.6 roadmap

[chrislit]

Bugs, enhancements, updates:

• NCDlzss is failing regression tests. (Determine whether this is a true regression or a Python 3.9-related thing or an old bug already fixed, meaning the cached results need to be regenerated.) it was due to update to LZSS 3.0
• MongeElkan is failing regression tests. (Determine whether this is a true regression or a Python 3.9-related thing or an old bug already fixed, meaning the cached results need to be regenerated.) it was due to the changed implementation of MongeElkan
• Update notebook to use TF2.0 #241
• Transition to f-strings #275
• NCDlzss doesn't work in 3.10 #276
• 'eings' throws an exception when Porter2.stem() is applied #278/Bug in Porter2/early_english stemmer #250
• Remove Python 3.5 support #251

Other:

• add type hints

Release:

• remove deprecated items due for removal
• maximize test coverage
• clear Issues
• clear TODOs
• all CIs building
• update notebooks
• new DOI
• tag release
• build releases
• PyPI
• conda-forge
• check docs

[chrislit]

moved most 0.6 items to 0.7 because I just want to do maintenance & cut a new release as soon as possible