Reason for recommiting and the revert was some missing words and characters in the example section on the previous commit.

Added a exception throw for getUser(). This will need to be caught when asking for a user.

example

try {

    User user = new Authorize.UserSession().getUser();

} catch(SessionException e) {

    //There is either no session or the user is not logged in
}

Also renamed Authorization to Authorize