tags.go
func (client *Client) GetTags(source string) (TagMap, error) {
	var out reqGetTags
	uri := "/v1/tags/hosts"
	if source != "" {
		uri += "?source=" + source
	}
	if err := client.doJsonRequest("GET", uri, nil, &out); err != nil {
		return nil, err
	}
	return *out.Tags, nil
}
func (client *Client) GetTags(source string) (TagMap, error) {
	var out reqGetTags
	uri := "/v1/tags/hosts"
	if source != "" {
		uri += "?source=" + source
	}
	if err := client.doJsonRequest("GET", uri, nil, &out); err != nil {
		return nil, err
	}
	return *out.Tags, nil
}
// GetTags returns a map of tags.