message: pass the selected item to onSwipeLeft/onSwipeRight callbacks
diff: @@ -156,10 +156,10 @@ class DeckSwiper extends Component {
  if (Math.abs(this.state.pan.x._value) > SWIPE_THRESHOLD) {
  if (velocity>0) {
  - (this.props.onSwipeRight) ? this.props.onSwipeRight() : undefined;
  + (this.props.onSwipeRight) ? this.props.onSwipeRight(this.state.selectedItem) : undefined;
  this.selectNext();
  } else {
  - (this.props.onSwipeLeft) ? this.props.onSwipeLeft() : undefined;
  + (this.props.onSwipeLeft) ? this.props.onSwipeLeft(this.state.selectedItem) : undefined;
  this.selectNext();
  }
  