* Refactored some code to be easier to maintain
* Removed the extra file and code for test mode and merged this into one
* Changed so that an order can be created both via return url and ipn call
* Module does no longer rely on than an IPN call has been made before customer is returning from Payson
* Created an "Paid by Payson" order status
* Changed all include to include_once
* Fixed a variable that had the wrong name
* Simplified code handling IPN calls
* Updated to the correct module name in select for order states
* Better handling of return from payson when IPN call already has arrived
* Removed unnecessary object initializations
* Updated swedish translations
Updated .gitignore-file.