Git commits in Moodle 1.7.5 by stronk7

commit 4f75c6c949601e90e812b897ffc10d0f9ece62e3
Author: stronk7 <stronk7>
Date:   Tue, 13 May 2008 09:52:25 +0800
Tag:    v1.7.5

Avoid $_REQUEST["id"] usage. MDL-14806 ; backported from 19_STABLE

commit cca8a446da5f89ebe7a08ccf987d706f891ab24e
Author: stronk7 <stronk7>
Date:   Fri, 04 Apr 2008 19:28:04 +0800
Tag:    v1.7.5

Fix wrong conversion from '0' to '' in oracle_diry_hack. MDL-14182 ; backported from HEAD