PayPal and Payment Logging

Added logging of payments and ability for the admin to add payments manually. Handy if you get cheques or bank drafts.

Sometimes, Paypal notify script can take longer than the return to the site. The customer will then see the order as still Pending. A refresh of the page shows the order as Confirmed, with download links. The email sent always shows the update to Confirmed and the download links.

I will work on that.

Please upgrade to the latest version!