Merge pull request #30 from borntyping/feature/2023

Release a 4.0.0 update

Version bump

Version 3.1.1

Version 3.1.0

Version 3.0.0

Update pyparsing pin to >=2.4.1, remove Python 3.4, add 3.8-dev tests

Closes #23, references pyparsing/pyparsing#85

Add 3.7 to versions+CI, cap pyparsing version to pre-2.4.0

...until proper updates are done. See pyparsing/pyparsing#85.

v2.4.0 add option to use custom random engine

v2.3.5 add coveralls, pin pytest, drop old classifiers

v2.3.4 use IntegerList in ArrayAdd/Sub and Negate

Fixes #20