Minor syntax fixes
Fixed CC for North American numbers
Merge pull request #466 from pastoso/master

Implement new method for code request token generation
Merge branch 'master' of https://github.com/shirioko/WhatsAPI
Replaced hex encoding with base64

Makes your constant strings shorter and solves compatibility issues with
older PHP versions.
Replaced pack with raw output
Updated client details to 2.11.69

69 huehuehue
Updated exampleFunctional.php

One of the fixes for #467