code: func (c *Client) Value() interface{} {
  	// if we have not yet performed a look-up, do it so a value is returned
  	if c.value == nil {
  		var v interface{}
  		c = c.Child("", nil, v)
  	}
  
  	if c == nil {
  		return nil
  	}
  
  	return c.value
  }
docs: // Value returns the value of of the current Url.