Goodbye async/awaits!

This release includes:

• Rewrite to greenlets (no more awaits)
• Possibility to run/import in-game .py files
• Interactive python REPL in minecraft
• Modules instead global api object for CC calls

Upgrade to CC:Tweaked

APIs have been updated and thoroughly tested against mc 1.15.2 and cct 1.89.2

First release

It works.