BUGFIX: The "deletenonvalues" setting from config.php, which deleted responses which were unnecessary due to conditions, was broken since rationalising the public scripts. This fixes the error.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@1092 b72ed6b6-b9f8-46b5-92b4-906544132732