Merge pull request #40 from beda-software/evaluate-callback

Evaluate callback

Merge pull request #39 from beda-software/thread-safe-cache

Thread safe cache

Merge pull request #38 from beda-software/37-cache

37 cache

Update build

Bump to 0.1.3

Fix lint

Fix mypy errors

Add support for array expression. Closes #20

Adjust configuration for python package publishing