Dear all, I am developping a payment plugin (zip enclosed). Similarly to many payment plug-in, on the main file I have a gateway.class.php file with a function "call()". As far as I understood (but maybe I understood incorrectly), this function intends to do some post-processing after the payment request is sent. However, for a reason which I ignore, in my plug-in, that function call() is never called at all. I know it isn't called, because I have tried inputting the following instruct