fixed more bugs

src/main/java/hhn/labsw/bugageocaching/controller/Controller.java

@@ -231,6 +231,7 @@ public class Controller {
       }
 
       if (cache.getStationen().get(i - 1).equals(aktuelleStation)) {
+        bearbeitet.setAktuelleStation(station);
         return ResponseEntity.status(200).body("OK");
       } else {
         return ResponseEntity.status(400).body("The scanned station isn´t the correct following station");