code: func ParseConnectionString(zookeeper string) (nodes []string, chroot string) {
  	nodesAndChroot := strings.SplitN(zookeeper, "/", 2)
  	if len(nodesAndChroot) == 2 {
  		chroot = fmt.Sprintf("/%s", nodesAndChroot[1])
  	}
  	nodes = strings.Split(nodesAndChroot[0], ",")
  	return
  }
docs: // ParseConnectionString parses a zookeeper connection string in the form of
  // host1:2181,host2:2181/chroot and returns the list of servers, and the chroot.