Now signing changes and any dsc files...
 signfile gstreamer-sharp-1_0.99.0-1.dsc Andres G. Aragoneses <knocte@gmail.com>
gpg: skipped "Andres G. Aragoneses <knocte@gmail.com>": secret key not available
gpg: /tmp/debsign.iBiLhx6m/gstreamer-sharp-1_0.99.0-1.dsc: clearsign failed: secret key not available
debsign: gpg error occurred!  Aborting....
debuild: fatal error at line 1295:
running debsign failed
gbp:error: 'debuild -i -I' failed: it exited with 29
Gtk-Message: Failed to load module "canberra-gtk-module"