Add unsubscribed_from_emails to createUser and updateUser
By default, unit tests use test doubles.
Merge pull request #7 from jpechacek/master

Add unsubscribed_from_emails to createUser and updateUser
Updated app ID and API Key information.
Merge branch 'master' of github.com:nubera-ebusiness/intercom-php
Updated version to 0.1.3.
merge upstream changes