1.1.0: Use Poetry, update dependencies

1.1.0

• Just security dependency update, plus using Poetry and a modern CI

Full Changelog: 0.2.0...v1.0.1

0.2.0: SMTP Support and better docs

This version adds some MkDocs pages hosted on Read The Docs, as well as experimental SMTP support.

0.1.7

• Bumps urllib3 version in lockfile for CVE-2019-11324
• Fixes standard_css.html inclusion example.