def __getitem__(self,name):
        item=self.getField(name)
        if item: return item.getValue()
        raise IndexError('No such field')
Tests support for multiple parameters of the same name, and ensures
dataset/ETHPy150Open CouchPotato/CouchPotatoServer/libs/xmpp/protocol.py/DataForm.__getitem__--crossover with--dataset/ETHPy150Open spacetelescope/PyFITS/pyfits/tests/test_groups.py/TestGroupsFunctions.test_duplicate_parameter