I am testing your software however I am unable to edit feed.php as you indicate in your instructions. I select the menu option view/edit callback featues however when I select it i can only view, i cannot type or edit anything, also there is no save button to make changes if I could? I have installed in two different sites, one is a fresh install with only your test feeds, problem same both sites???
What settings does the server have to have? I would have to pass this information onto my webhost for them to rectify? So in the meantime can you tell me the file path to the file ie feed.php, so I can edit it via ftp etc.