'A scoperef is (<blob>, <lpath>). Return the actual elem in
the <blob> ciElementTree being referred to.'

def _elem_from_scoperef(self, scoperef):

    elem = scoperef[0]
    for lname in scoperef[1]:
        if (lname == elem.get('name', None)):
            pass
        else:
            elem = elem.names[lname]
    return elem
