Broad PyPI Support

[lastmjs]

We have expanded support for the Python stdlib, but there are a number of issues that have cropped up just trying to import a basic PyPI packge like ic-py.

1. The compiler takes an extremely long time to compile everything
2. Far too many files are included in the parsing than necessary
3. Use of Tuple clashes far too easily with our own, we may need to implement import tracing
4. async comprehensions are not supported by py_freeze in RustPython

Cleaning up the list of python file names to only include those directly depended upon may help a lot.

To enable broad PyPI support it looks like we will need:

• wasm32-wasi (implemented with polyfill, waiting for official IC support)
• better big o for Kybra compiler (visitor pattern and mutability) #387
• import tracing
• C extensions/C API support
• IC needs to improve in functionality (e.g. tcp sockets etc)