Added *.swp to gitignore, in order to avoid vim temp files.
Added support for Authy's phone verification service.

A new class `PhoneIntelligence` was addd, along with 3 new methods:

- verification_start: Sends a token (code) to the phone number given.
- verification_check: Checkes whether or not the user entered the
  correct token.
- info: Gets information about the phone number given, like type (voip,
  landline, cellphone) and provider.
Renamed PhoneIntelligence and PhoneInfo classes.

PhoneIntelligence was renamed to Phones and PhoneInfo to Phone, to be
consistent with the rest of the classes.
Added support for user status api.

This is a new end point to get user status information, it only requires
the user id.
Modified api methods.

Instead of passing a dict object with the parameters, we require each
parameter in the new phone methods.
Fixed assert in phones test.