Git commits in Moodle 1.6.2 by exe-cutor

commit 8de4f2e23e72ca1a597915e144a3e8b1a08a04e9
Author: exe-cutor <exe-cutor>
Date:   Mon, 11 Sep 2006 17:05:35 +0800
Tag:    v1.6.2

Again added get_first_string ...