server_groups.go
func (c *Client) ServerGroups() ([]ServerGroup, error) {
	var groups []ServerGroup
	_, err := c.MakeApiRequest("GET", "/1.0/server_groups", nil, &groups)
	if err != nil {
		return nil, err
	}
	return groups, err
}
func (c *Client) ServerGroups() ([]ServerGroup, error) {
	var groups []ServerGroup
	_, err := c.MakeApiRequest("GET", "/1.0/server_groups", nil, &groups)
	if err != nil {
		return nil, err
	}
	return groups, err
}
// ServerGroups retrieves a list of all server groups