message: fix for deckswiper single element,
diff: @@ -214,13 +214,13 @@ constructor(props) {
  return(
  <View style={{position: 'relative', flexDirection: 'column'}}>{(this.state.selectedItem)===undefined ? (<View />) :
  (<View>
  - <Animated.View style={[this.getCardStyles()[1],this.getInitialStyle().topCard,{opacity: this.state.fadeAnim}]} {...this._panResponder.panHandlers}>
  + {(this.state.selectedItem2) && <Animated.View style={[this.getCardStyles()[1],this.getInitialStyle().topCard,{opacity: this.state.fadeAnim}]} {...this._panResponder.panHandlers}>
  {(this.props.renderBottom) ?
  this.props.renderBottom(this.state.selectedItem2)
  :
  this.props.renderItem(this.state.selectedItem2)
  }
  - </Animated.View>
  + </Animated.View>}
  <Animated.View style={[ this.getCardStyles()[0], this.getInitialStyle().topCard] } {...this._panResponder.panHandlers} >
  {(this.props.renderTop) ?
  this.props.renderTop(this.state.selectedItem)
  