Upstream is a subversion for now, no branch or tag exist. The files in the
upstream branch here are an export of the SVN.
SVN URL: https://free-astro.vinvin.tf/svn/siril/

Information about svn revisions that are used to create a version can be found
on the website: http://free-astro.vinvin.tf/index.php/Siril
Beta was 671, RC1 is 737.
