Log Message:
Update to 0.8 with patch provided by Juan RP in PR pkg/21974:

* Patch from Claes Nasten <pekdon@gmx.net>
* Enhances thumbnail related options:
  First, specifying -t would break the $f param to -exec.
  Second, the thumbnail and the screenshot got different timestamps.
  Third, one weren't able to specify geometry with -t.
* Update for latest giblib. Requires latest release now.