Git commits in Moodle 1.6.x by cataluke

commit 419a0bb0a8845501e6b7ea4e2e3658475fe35747
Author: cataluke <cataluke>
Date:   Wed, 18 Apr 2007 10:46:19 +0800
Tag:    v1.6.6

admin/uploaduser.php: Fixed not enrolling user into course if user already exists

commit 485726e71f728b1ddda25b68898ca4c868f3c4cb
Author: cataluke <cataluke>
Date:   Wed, 18 Apr 2007 10:17:00 +0800
Tag:    v1.6.6

MDL-8569 - mod/data sorting by numerical field now works with PostgreSQL

commit bc1f84e6185907f0287f4a0f820fb87e2d6b53b3
Author: cataluke <cataluke>
Date:   Wed, 18 Apr 2007 09:56:14 +0800
Tag:    v1.6.6

MDL-7856 - make database search case-insensitive for PostgreSQL too.