lan.go
func (c *Client) CreateLan(dcid string, request Lan) (*Lan, error) {
	url := lanColPath(dcid) + `?depth=` + c.client.depth + `&pretty=` + strconv.FormatBool(c.client.pretty)
	ret := &Lan{}
	err := c.client.Post(url, request, ret, http.StatusAccepted)
	return ret, err
}
func (c *Client) CreateLan(dcid string, request Lan) (*Lan, error) {
	url := lanColPath(dcid) + `?depth=` + c.client.depth + `&pretty=` + strconv.FormatBool(c.client.pretty)
	ret := &Lan{}
	err := c.client.Post(url, request, ret, http.StatusAccepted)
	return ret, err
}
// CreateLan creates a lan in the datacenter
// from a jason []byte and returns a Instance struct