Implements interfaces:
This will be typically be the first command issued in any session.
LoginCommand __construct( $account_name, $email_address, $password)
void commandName( )
void getEmailAddress( )
void getFID( )
void getFVN( )
void getName( )
void getToken( )
void parseRequest( RequestGenerator $req)
void parseResponse( $xml)
void requiresAuthentication( )