Improved build system for the boot ROMs.
Better comments in the ROM code.

This reverts commit 193f61a2.

This should fix a cargo network issue.

Support for some basic Python testing.
Handling of loading error with proper error propagation.

Including the execution of some simple tests.

Fixes an issue related to clap_lex a wasm-pack dependency.

Fixes issue with node 20.

This dependency was creating issues with clap>=4.