Release version 5.0.4
      improvements:
 Unsubscribe redirect issue 11
 Invalid charset is used for text and HTML issue 5
 typeNum is sent as namespaced argument issue 7
 Unsubscribe method uses old message API issue 8

Special thanks Daniel Corn (cundd) for contribution

 Submit bug reports and feature requests on GitHub
https://github.com/Mirko-Solutions/newsletter/issues