SliderIOS: minimumValue, maximumValue props ignored?

https://github.com/facebook/react-native/blob/master/Libraries/Components/SliderIOS/SliderIOS.js#L82

``` js

...

  render: function() {
    return (
      <RCTSlider
        style={[styles.slider, this.props.style]}
        value={this.props.value}
        onChange={this._onValueChange}
      />
    );
  }

...

```
