* Improve error message for .dsc having already been signed (iff
using libdpkg-perl 1.17.x). Closes:#731635.
* Improve error message for .dsc parsing failures more generally.
+ * Better reporting of child exit statuses (esp. deaths due to signals).
Major new feature, currently stalled awaiting server infrastructure:
* dgit-repos-server: New program for receiving signed-tag-based