def append( self, value ):
		value = self.beforeAdd( value )
		return super(rlist,self).append( value )
Test that returners have:
dataset/ETHPy150Open correl/Transmission-XBMC/resources/lib/basictypes/rlist.py/rlist.append--crossover with--dataset/ETHPy150Open saltstack/salt/tests/integration/loader/globals.py/LoaderGlobalsTest.test_returners