Swift 2 compliant

[3rd-bit]

Gents: Good job on this little frame-work. As you know, Swift 2 discontinued "reflect" and introduced "Mirror" class instead. I've changed your wonderful code and made it Swift-2 compliant. If you want, I can submit the code here.

Kind regards.

[remirobert]

Great, you can make a pull request. Thank you, could be a good start for update this framework.