Mexico City ISO 3166-2

[Josh Zucker]

Hello, thanks very much for this excellent resource.

I believe the iso for Mexico City / Ciudad de Mexico is out of date.

It is currently listed as "DIF" (Distrito Federal), but I believe it should be "CMX".

Reference: https://en.wikipedia.org/wiki/ISO_3166-2:MX

[Anton Korzunov]

Thanks for heads up, I'll update it shortly.