Allow WhatsApp

[Huddie]

Texting is nice but some people prefer whatsapp.

[Huddie]

https://www.twilio.com/docs/sms/whatsapp/quickstart/python

[Huddie]

message = client.messages.create(
                              body='Hello there!',
                              from_='whatsapp:+xxxxxxxxxxxx',
                              to='whatsapp:+xxxxxxxxxxxxx'
                          )

[Huddie]

I think we should have a payment requirement for this stuff