changelog.txt

= 1.7.0 - 2019-01-16 =
* Changed public methods -> protected in ShipmentResponse
* Changed shipment cost to be nullable

= 1.6.5 - 2019-01-04 =
* Added messageStock to rate response

= 1.6.4 - 2018-12-18 =
* Added label file extension

= 1.6.3 - 2018-12-10 =
* Added support for domain not allowed response code: 462

= 1.6.2 - 2018-12-06 =
* Added support for platform version hash in response headers

= 1.6 - 2018-12-06 =
* Added default request headers