Merge branch '__git_permissions' of https://github.com/contradict/cdist
++changes recorded

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
Merge remote-tracking branch 'github/master'
Merge remote-tracking branch 'github/master'
debugging not easily possible with loss of parameter_path

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
introduce MissingObjectIdError

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>