Version 0.20.0 Commits [6b17b71] Emmet API package (#327) [d722735] Bump pymatgen from 2022.0.16 to 2022.0.17 in /emmet-core [d7a1161] Bump pydantic from 1.8.2 to 1.9.0 in /emmet-core [646801e] Updated CHANGELOG.md