Adding support for optional MB payment maximum date

When a maxdate is set during the creation of a Payment Identifier, easypay will not accept payments after the date expiration. 
[Link to documentation] (https://docs.easypay.pt/?api=requestPaymentIdentifier)


Yes it is! And both must be present when the ep_entity is 11683.

 https://docs.easypay.pt/?api=requestPaymentIdentifier