slince /
shipment-tracking
| ⇢ | A | SeventeenTracker added |
| ⇢ | B | SeventeenTracker::buildShipment() added | |
| ⇢ | A | SeventeenTracker::track() added | |
| ⇢ | A | SeventeenTracker::createRequest() added | |
| ⇢ | A | SeventeenTracker::sendRequest() added | |
| A | ↘ | B | USPSTracker::track() got worse |
