Build and publish crates with pyo3, rust-cpython and cffi bindings as well as
Rust binaries as Python packages.

This project is meant as a zero configuration replacement for setuptools-rust
and milksnake.  It supports building wheels for Python 3.5+ on FreeBSD and
various other platforms, can upload them to PyPI and has basic PyPy support.

WWW: https://github.com/PyO3/maturin