Removed use of stdClass from Shipment - _output method takes default empty array
Removed use of stdClass from Shipment - _output method takes default empty array

DiamondLightSource/SynchWeb,DiamondLightSource/SynchWeb,DiamondLightSource/SynchWeb,DiamondLightSource/SynchWeb,DiamondLightSource/SynchWeb,DiamondLightSource/SynchWeb