v4.2.0, 2018-05-25
New strategies and minor internal fixes.
- Add implementation of generic memory 2 strategy and 2 new strategies
#1171
- Add Tricky Level Punisher
#1178
- Remove unneeded code
#1173
- Fix type hints to work with mypy 2.1
#1177
v4.2.0...v4.1.0
