     - parameter fontSize:	The size (in points) to which the font is scaled.
     - returns:	A font object of the specified size.
     */
-    class func boldSystemFont(size: Double) -> C4Font {
+    public class func boldSystemFont(size: Double) -> C4Font {
         return C4Font(font: UIFont.boldSystemFontOfSize(CGFloat(size)))
     }
     

    - parameter fontSize:	The size (in points) to which the font is scaled.
    - returns: A font object of the specified size.
    */
    class func italicSystemFont(size: Double) -> C4Font {
        return C4Font(font: UIFont.italicSystemFontOfSize(CGFloat(size)))
    }
    

    - parameter fontSize:	The size (in points) to which the font is scaled.
    - returns:	A font object of the specified size.
    */
    public class func systemFont(size: Double) -> C4Font {
        return C4Font(font: UIFont.systemFontOfSize(CGFloat(size)))
    }
    /**
