Removed double backslash from API Urls

LTU endpoint throws Authorization error because of double backslash in endpoint URL.

401 Authorization Required

allow to pass name2

• allow to pass name2 to ShipmentRequest

Send Parcelshop ID to ShipmentRequest

• bugfix: send parcelshop_id to ShipmentRequest

Parcelshop integration

• added ability to create Shipment to parcel shop
• added ability to get a list of parcel shops
• dropped support of PHP 7.1. Didn't change to major version because the community is too small
• add code coverage support for phpspec

Ability to delete shipment

• ability to remove shipment (Client->removeShipment(DeleteShipmentRequest $request)).
• ability to define which country API endpoint to use. new Authentication($username, $password, $countryCode)

fixed ManifestRequest for Client

bugfix. Defined correct ManifestRequest object for Client->getManifest method.

Changed Production routes

• fixed Production routes

Production Endpoint

• Test API endpoint changed to Production (Estonian)
• updated readme what needs to be implemented in the feature

v0.0.1

First pre-release version.

DPD Interconnector services:

• create shipment
• get labels
• close manifest