 		The property can have value from 0 to 1.
 	*/
 
-	@IBInspectable var trackCurvaceousness: CGFloat = 1.0 {
+	@IBInspectable public var trackCurvaceousness: CGFloat = 1.0 {
 		didSet {
 			if trackCurvaceousness < 0.0 {
 				trackCurvaceousness = 0.0

		The default color is #007AFF (rgba = 0, 122, 255, 1)
	*/

	@IBInspectable var thumbTintColor: UIColor = UIColor.whiteColor() {
		didSet {
			lowerThumbLayer.tintColor = thumbTintColor
			upperThumbLayer.tintColor = thumbTintColor

		The default color is lightGrayColor.
	*/

	@IBInspectable public var trackTintColor: UIColor = RangeSliderTrackLayer.defaultTintColor {
		didSet {
			trackLayer.tintColor = trackTintColor
			trackLayer.setNeedsDisplay()
