Merge pull request #44 from SunDoge/release/v0.7.0

Changelog entry for v0.7.0

Update publish.yml

Update Cargo.toml

Merge pull request #12 from ChieloNewctle/main

Update PyO3 to 0.21

cargo +nightly fmt

update docs

Merge pull request #4 from SunDoge/dependabot/cargo/pyo3-0.19.0

Update pyo3 requirement from 0.18.3 to 0.19.0

add publish action

update traits

update readme