Update CHANGELOG.md

Author: pinin4fjords

CHANGELOG.md

@@ -14,6 +14,8 @@ Special thanks to the following for their contributions to the release:
 - [Júlia Mir Pedrol](https://github.com/mirpedrol)
 - [Matthias Zepper](https://github.com/MatthiasZepper)
 - [Maxime Garcia](https://github.com/maxulysse)
+- [Steffen Möller](https://github.com/maxulysse)
+- [hmehlan](https://github.com/hmehlan)
 
 Thank you to everyone else that has contributed by reporting bugs, enhancements or in any other way, shape or form.