Release 3.7.0

Added option for post payment methods to filter out checkout methods based on customer-type
Added option to prefix orderdescription
Added PAY-register link to settings
Optional date-of-birth field is now of type date
Fixed a minor multistore issue
Added method AfterPay International

Added payments Creditclick, Tikkie, Przelewy24

Added payments Creditclick, Tikkie, Przelewy24