v2.1.2

Fixed missing dot in DHL tracking URL

v2.1.1

Covered all currently possible shipping methods for tracking urls

v2.1.0

Tracking URL for parcels and better debugInfo

v2.0.3

Added Middleware insertion and example file

v2.0.2

Add error code to unexpected result error

v2.0.1

Bugfix for result not being an array / json

v2.0.0

Guzzle 6

v1.1.0

Upgraded to use Guzzle v5