Log Message:
Update to 3.016

Upstream changes:
version 3.016: Wed 27 Nov 10:53:40 CET 2024
        Changes:
        - when (illegally) multiple attributes with the same name are used
          in a single header line, then the last is returned.  Just like
          Apple and Outlook do.  Originally returned the first.
          github issue 20 [Todd Richmond]