Replace nicolopignatelli/valueobjects with cultuurnet/valueobjects fork

Author: bertramakers

composer.json

@@ -26,7 +26,7 @@
 
   "require": {
     "php": ">=5.3",
-    "nicolopignatelli/valueobjects": "~2.0"
+    "cultuurnet/valueobjects": "~2.0"
   },
 
   "require-dev": {