Git commits in Moodle 1.8.1 by cataluke

commit 7badfb42c79fb5d9ea874c5d979013cec11a0c78
Author: cataluke <cataluke>
Date:   Wed, 18 Apr 2007 10:43:33 +0800
Tag:    v1.8.1

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

commit 2ba01076aab08aac2be546f85ccf9abbae7b275d
Author: cataluke <cataluke>
Date:   Wed, 18 Apr 2007 10:31:34 +0800
Tag:    v1.8.1

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

commit de06df20a4ce8e4bb7324c185190bd869d2d03f9
Author: cataluke <cataluke>
Date:   Tue, 17 Apr 2007 13:49:21 +0800
Tag:    v1.8.1

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