ipblock.go
func (c *Client) ReserveIPBlock(request IPBlock) (*IPBlock, error) {
	url := ipblockColPath() + `?depth=` + c.client.depth + `&pretty=` + strconv.FormatBool(c.client.pretty)
	ret := &IPBlock{}
	err := c.client.Post(url, request, ret, http.StatusAccepted)
	return ret, err
}
func (c *Client) ReserveIPBlock(request IPBlock) (*IPBlock, error) {
	url := ipblockColPath() + `?depth=` + c.client.depth + `&pretty=` + strconv.FormatBool(c.client.pretty)
	ret := &IPBlock{}
	err := c.client.Post(url, request, ret, http.StatusAccepted)
	return ret, err
}
//ReserveIPBlock creates an IP block