pyo3 0.8.1

PyO3 0.8.1

on Rust Cargo

NOTE Please take care that PyO3 <= 0.8.0 doesn't support the latest nightly (See #614 for detail).

Added

• Conversion between num-bigint and Python int. #608

Fixed

• Make sure the right Python interpreter is used in OSX builds. #604
• Patch specialization being broken by Rust 1.40. #614
• Fix a segfault around PyErr. #597