Since version 1.2 its possible.
Regards.-
For now…no. But I take it in consideration.
There is a specific reason why you can’t use two shortcodes?
Regards.-
Yes, its planned to be solved when the template sytem gets implemented.
For now if you need to show it you can edit the line 603 in wp-github.php and replace substr($commit->sha, 0,10) for $commit->commit->message.
Regards!
