Support for adding a contact to a contact list
Merge pull request #12 from imdevin567/master

Support for adding a contact to a contact list
Update EngagePod.php

Make $contactListId an optional param as to not break any current implementations
Merge pull request #14 from th3fallen/patch-2

Update EngagePod.php
Fixing exception issues and fixing namespace autoloading problem with arraytoxml file also adding param to toggle sending auto responders when adding a contact.
Merge branch 'master' of https://github.com/th3fallen/SilverpopPHP