'Process the specified soap envelope body and replace I{multiref} node
references with the contents of the referenced node.
@param body: A soap envelope body node.
@type body: L{Element}
@return: The processed I{body}
@rtype: L{Element}'

def process(self, body):

    self.nodes = []
    self.catalog = {}
    self.build_catalog(body)
    self.update(body)
    body.children = self.nodes
    return body
