formatOutputString = function formatOutputString(param) {
    var length = new BigNumber(param.dynamicPart().slice(0, 64), 16).toNumber() * 2;
    return utils.toUtf8(param.dynamicPart().substr(64, length));
}
@file param.js
@author Marek Kotewicz <marek@ethdev.com>
@date 2015