Added section to handle ($_GET['newtest'] == "Y"). When it receives this it resets the session variables. This is passed through by the "Test Survey" button and is set in html.php.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@343 b72ed6b6-b9f8-46b5-92b4-906544132732