     class func imageForArray(array: [String]) -> UIImage? {
         guard let imageName = elementForArray(array) else { return nil }
         guard let image = UIImage(named: imageName as String) else {
-            print("WARNING: Not found image name \(imageName) in array: \(array)[\(currentThemeIndex)]")
+            print("SwiftTheme WARNING: Not found image name \(imageName) in array: \(array)[\(currentThemeIndex)]")
             return nil
         }
         return image

    class func colorForArray(array: [String]) -> UIColor? {
        guard let rgba = elementForArray(array) else { return nil }
        guard let color = try? UIColor(rgba_throws: rgba as String) else {
            print("WARNING: Not convert rgba \(rgba) in array: \(array)[\(currentThemeIndex)]")
            return nil
        }
        return color

    
    class func numberForKeyPath(keyPath: String) -> NSNumber? {
        guard let number = currentTheme?.valueForKeyPath(keyPath) as? NSNumber else {
            print("SwiftTheme WARNING: Not found number key path: \(keyPath)")
            return nil
        }
        return number
