Convert the passed BBAN to an IBAN for this country specification.
        Please note that <i>"generation of the IBAN shall be the exclusive
        responsibility of the bank/branch servicing the account"</i>.
        This method implements the preferred algorithm described in
        http://en.wikipedia.org/wiki/International_Bank_Account_Number#Generating_IBAN_check_digits

        @method fromBban
        @param {String} bban the BBAN to convert to IBAN
        @returns {Iban} the IBAN object

def fromBban(bban):
        """
        Convert the passed BBAN to an IBAN for this country specification.
        Please note that <i>"generation of the IBAN shall be the exclusive
        responsibility of the bank/branch servicing the account"</i>.
        This method implements the preferred algorithm described in
        http://en.wikipedia.org/wiki/International_Bank_Account_Number#Generating_IBAN_check_digits

        @method fromBban
        @param {String} bban the BBAN to convert to IBAN
        @returns {Iban} the IBAN object
        """
        countryCode = "XE"

        remainder = mod9710(iso13616Prepare(countryCode + "00" + bban))
        checkDigit = ("0" + str(98 - remainder))[-2:]

        return Iban(countryCode + checkDigit + bban)