code: function (port, debug) {
    this.port = port || 'tcp://127.0.0.1:13674';
    this.debug = debug || false;
    this.socket = zeromq.socket('router');
    this.socket.identity = 'zmqrpc-'+process.pid;
    this.rpc = undefined;
  }
docs: /*
  ZeroMQ based JSON RPC Server.
  - starts a new ZeroMQ Server on given 'port'
  - svcObj carries the functions
  - debug would enable full dump of contents - defaults to false