+ * Print better message for unknown operations.
+ * Provide `dgit clean'. Closes:#736527.
+ * When cloning, set up a remote `vcs-git' from the package's Vcs-Git
+ (and put an appropriate caveat in the manpage). Closes:#740687.
+ * Improve error message for .dsc having already been signed (iff
+ using libdpkg-perl 1.17.x)
+ * Improve error message for .dsc parsing failures more generally.