code: function Store(conString, options) {
    var self = this;
    this._table = "passwordless";
    this._client = mysql.createPool(conString);
    this._client.query("CREATE TABLE IF NOT EXISTS " + this._table + " " + 
      "( id serial NOT NULL, uid character varying(160), token character varying(60) NOT NULL, origin text, ttl bigint, " + 
      "CONSTRAINT passwordless_pkey PRIMARY KEY (id), CONSTRAINT passwordless_token_key UNIQUE (token), CONSTRAINT passwordless_uid_key UNIQUE (uid) )");
  }
docs: Constructor of Store
  @param {String} conString URI as defined by the MySQL specification.
  @param {Object} [options] Combines both the options for the MySQL Client as well
  as the options for Store. For the MySQL Client options please refer back to
  the documentation.
  @constructor