search.go
func (client *Client) SearchMetrics(search string) ([]string, error) {
	var out reqSearch
	if err := client.doJsonRequest("GET", "/v1/search?q=metrics:"+search, nil, &out); err != nil {
		return nil, err
	}
	return out.Results.Metrics, nil
}
func (client *Client) SearchMetrics(search string) ([]string, error) {
	var out reqSearch
	if err := client.doJsonRequest("GET", "/v1/search?q=metrics:"+search, nil, &out); err != nil {
		return nil, err
	}
	return out.Results.Metrics, nil
}
// SearchMetrics searches through the metrics facet, returning matching ones.