[ANN] orcus 0.16.0 on master

[Kohei Yoshida]

Hi there,

The orcus library has been upgraded to 0.16.0 on the master branch.  You 
can find the release notes for the new version here:

https://gitlab.com/orcus/orcus/-/releases/0.16.0

Also the ixion library version 0.16.0 has been released too which may be 
of interest to distro packagers.  The release notes are found here:

https://gitlab.com/ixion/ixion/-/releases/0.16.0

Best,

Kohei