v1.5.6

• Added console command to ship klarna orders on cronjob
• Added a configuration option to choose on which status to auto ship Klarna orders to Mollie
• Added a configuration option to choose which transaction number is stored on an order (Mollie's or the payment method's)
• Fixed an issue where 500 errors were thrown on the webhook call
• Fixed an issue where payment method descriptions were overwritten on update
• Fixed an issue where an error was thrown statint PaymentID cannot be NULL
• Reversed a fix for reserved stock in Pickware, as it was not the right fix