Conkit

*Added*

- ``conkit.core.ContactMap.match_naive`` method for contact map match when no sequence alignment is required
- Examples on how to use ``conkit-validate`` in documentation at conkit.org
- Examples on how file conversions for ditances in documentation at conkit.org
- Examples on how to plot residue ditances in documentation at conkit.org

*Changed*

- Update ``requirements.txt`` to include versions of biopython and sklearn compatible with CCP4 8.0
- Update requirements list in documentation at conkit.org

*Fixed*

- Resolve contact map match when one of the input maps is empty

*Fixed*

- Further fixes to pip install package

*Fixed*

- Minor fix for pip install and cython extension

*Added*

- Added support for distance prediction files
- Added new visualisation plots for distance files
- Added new command line tool for model validation conkit-validate

*Changed*

- Remove support for Python3.6
- Add support for Python3.9

*Fixed*

- Resolve plotting of small contact maps

*Changed*

- Remove support for Python2.7
- Remove support for Python3.5
- Add support for Python3.8

*Fixed*

- Test cases ensure file removal regardless of failure

*Changed*

- Code formatting to adapt [Black](https://black.readthedocs.io/en/stable/) formatting

*Added*

- [``map_align``](https://github.com/sokrypton/map_align) contact file parser
- AppVeyor and TravisCI runs against Python3.7