When proxy adds '&' to the and of query string for non-cpaint service, that service can give an error "Invalid parameter: ''.".
To fix this we need DO NOT add anding & or dete it like there:
if ($_REQUEST['cpaint_remote_url'] != '') {
$cp_remote_url = urldecode($_REQUEST['cpaint_remote_url']);
$cp_remote_method = urldecode($_REQUEST['cpaint_remote_method']);
//my...
2007-11-09 22:41:52 UTC in CPAINT