!editchan: Initial version.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Initial version.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Fixed NoneType error.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Another NoneType error.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Update usage.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Allow changing admin_only without other parameters.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: Update usage again.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!editgroup: That's right. Another NoneType error.

Signed-off-by: Martin Stone <martin@d7415.co.uk>