Process the start of a node under xtvd/productionCrew

def _startProductionCrewNode(self, name, attrs):
        """Process the start of a node under xtvd/productionCrew"""

        if name == 'crew':
            self._programId = attrs.get('program')
        elif name == 'member':
            self._role = None
            self._givenname = None
            self._surname = None