v0.4.3

What's Changed

• fix docs toctree by @joshuadavidthomas in #150
• add back missing copyright from django-mailer by @joshuadavidthomas in #151
• add missing extras to package by @joshuadavidthomas in #152
• 🔖 bump version 0.4.2 -> 0.4.3 by @joshuadavidthomas in #153

Full Changelog: v0.4.2...v0.4.3