Added 1a exceptions

Brian and I coded the first name, phone number, and email address
exceptions from the use cases PDF:

https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxvcmdhbml6ZXlvdXJ0ZWFtfGd4OjU3NjFiZDIxZjE0YzI2OWU