WIP Impelement more stuff

src/BusProNet/DataProvider/Countries.php

@@ -32,8 +32,8 @@ class Countries
         return $countries;
     }
 
-    public function get(int $id): ?Country
+    public function get(string $token): ?Country
     {
-        return $this->getAll()[$id] ?? null;
+        return $this->getAll()[$token] ?? null;
     }
 }

src/BusProNet/ResponseParser.php

@@ -176,15 +176,15 @@ class ResponseParser
         $countries = [];
 
         foreach ($xml->xpath('laender/land') as $item) {
-            $id = (int) $item->attributes()['id'];
+            $token = (string) $item->attributes()['kuerzel'];
             $country = new Country();
             $country
-                ->setId($id)
+                ->setId((int) $item->attributes()['id'])
                 ->setName((string) $item->attributes()['bezeichnung'])
                 ->setToken((string) $item->attributes()['kuerzel'])
                 ->setNationality((string) $item->attributes()['nationalitaet'])
             ;
-            $countries[$id] = $country;
+            $countries[$token] = $country;
         }
 
         $response = new BaseDataResponse();