py-test-pylint: updated to 0.17.0

0.17.0
Added support for latest pylint API >=2.5.1

0.16.1
Corrected documentation and correctly pinned dependencies properly

0.16.0
Switched to new from_parent API and added development documentation dineshtrivedi
Added support for toml based configuration of pylint thanks to michael-k

0.15.1
Made --no-pylint functional again

0.15.0
Added support for Python 3.8 thanks to michael-k
Implemented option to output Pylint results to a reports file thanks to jose-lpa
Refactored into simpler plugin structure

(adam)