Copy __doc__ when wrapping function
Copy __doc__ when wrapping function

Signed-off-by: Vratislav Podzimek <32b71423c0dbe58cc7229f648f881967a836ef95@redhat.com>
Signed-off-by: Martin Pitt <24dac832a49a9058ac2d05f60f9756e2e4783785@gnome.org>

pexip/pygobject,davibe/pygobject,sfeltman/pygobject,davibe/pygobject,GNOME/pygobject,sfeltman/pygobject,GNOME/pygobject,GNOME/pygobject,sfeltman/pygobject,pexip/pygobject,pexip/pygobject,davibe/pygobject,davibe/pygobject