…s mock). Update iris_client endpoint.

…Tweak client to handle xml

… CompletedNumbers tag as list

…with assertEquals where applicable. Test for OrderStatus=COMPLETE

…tion

…ean up of generated file

…_xml to rest.py

…d_order method with npanxx_x parameter. Added logic to prevent empty tags in XML

…ix path in tests

…erate XML tag. Add credentials to module variables