/**
 * Represents an IPv6 address
 * @class Address6
 * @param {string} address - An IPv6 address string
 * @param {number} [groups=8] - How many octets to parse
 * @param {?number} third - A third argument
 * @param {Array} [foo=[1]] to properly be parsed
 * @example
 * var address = new Address6('2001::/32');
 */