Sendgrid

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**Library - Fix**
- [PR 920](https://github.com/sendgrid/sendgrid-python/pull/920): type validation on to_emails parameter on mail object. Thanks to [DougCal](https://github.com/DougCal)!

**Library - Docs**
- [PR 915](https://github.com/sendgrid/sendgrid-python/pull/915): document change in top-level dependencies. Thanks to [honzajavorek](https://github.com/honzajavorek)!

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**Library - Fix**
- [PR 914](https://github.com/sendgrid/sendgrid-python/pull/914): add dependency to install requires. Thanks to [eshanholtz](https://github.com/eshanholtz)!

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**Library - Docs**
- [PR 912](https://github.com/sendgrid/sendgrid-python/pull/912): added docstrings to Stats classes. Thanks to [DougCal](https://github.com/DougCal)!

**Library - Feature**
- [PR 908](https://github.com/sendgrid/sendgrid-python/pull/908): add support for dynamic template data to Email class. Thanks to [childish-sambino](https://github.com/childish-sambino)!
- [PR 901](https://github.com/sendgrid/sendgrid-python/pull/901): verify signature from event webhook. Thanks to [eshanholtz](https://github.com/eshanholtz)!

**Library - Fix**
- [PR 904](https://github.com/sendgrid/sendgrid-python/pull/904): revert "feat: Add equality to Email". Thanks to [childish-sambino](https://github.com/childish-sambino)!

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**Library - Docs**
- [PR 895](https://github.com/sendgrid/sendgrid-python/pull/895): Fixed Subject typo. Thanks to [dmitry-krasilnikov](https://github.com/dmitry-krasilnikov)!

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**Library - Docs**
- [PR 893](https://github.com/sendgrid/sendgrid-python/pull/893): Update readme supported versions. Thanks to [PaulMcMillan](https://github.com/PaulMcMillan)!

**Library - Fix**
- [PR 888](https://github.com/sendgrid/sendgrid-python/pull/888): migrate to common prism setup. Thanks to [childish-sambino](https://github.com/childish-sambino)!

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**Library - Feature**
- [PR 882](https://github.com/sendgrid/sendgrid-python/pull/882): add support for Twilio Email. Thanks to [childish-sambino](https://github.com/childish-sambino)!