v0.3.19

What's Changed

• Bumps minimum Python version to 3.9 by @djperrefort in #25
• Adds running API server to testing CI by @djperrefort in #26
• Enforces single trailing slash in base url by @djperrefort in #27
• Fixes bug in JWT parsing by @djperrefort in #28
• Fixes bug where headers are missing from requests by @djperrefort in #29

Full Changelog: v0.3.18...v0.3.19