Philip Jordan

I now ended up using [PyInstaller](https://pyinstaller.org/en/stable/) for all platforms as everything else I tried had some issues here an there (also couldn't get the Nuitka compilation to succeed on windows)....

From my side, you can consider this as a ready-to-merge request. In case you consider it ready for bug bounty, here's already my Cardano address :) addr1qylv4lr9lqx6l0t24dn8fq5q7cweqrmdg6jgsyg3htttkw69hw5kfp5ne7xaql579v0w04cucy0wxj8k9axvuz20d6yq4jvdta

Picking up on this again, I made the Exception more specific, and added two examples which give the following warnings: 1. `python3 -m opshin compile spending examples/smart_contracts/assert_none.py` gives `WARNING for...