message: Stopped moving back beyond starting point of 0
diff: @@ -23,7 +23,8 @@ export default class Next extends React.Component {
  }
  handlePanResponderMove(e, gestureState) {
  var {moveScene} = this.props;
  - moveScene({translate: gestureState.dx / Dimensions.get('window').width});
  + var {dx} = gestureState;
  + moveScene({translate: Math.max(0, dx) / Dimensions.get('window').width});
  }
  handlePanResponderEnd(e, gestureState) {
  var {moveScene, stateNavigator} = this.props;
  