// Split up the db
    hostPart = connection_part;
    // Parse all server results
    servers = hostPart.split(',').map(function(h) {
      var hostPort = h.split(':', 2);
      var _host = hostPort[0] || 'localhost';
      var _port = hostPort[1] != null ? parseInt(hostPort[1], 10) : 27017;
      // Check for localhost?safe=true style case
      if(_host.indexOf("?") != -1) _host = _host.split(/\?/)[0];

      // Return the mapped object
      return {host: _host, port: _port};
    });