code: func (c *Conn) Get(index string, _type string, id string, args map[string]interface{}) (BaseResponse, error) {
  	return c.get(index, _type, id, args, nil)
  }
docs: // The get API allows to get a typed JSON document from the index based on its id.
  // GET - retrieves the doc
  // HEAD - checks for existence of the doc
  // http://www.elasticsearch.org/guide/reference/api/get.html
  // TODO: make this implement an interface