- Fixed a recurrent bug within deleteOne() method

src/Repository.php

@@ -114,7 +114,7 @@ class Repository
             throw new Exception\EntityPrimaryKeyUnknown("A primary key value has to be defined to delete an item.");
         }
 
-        return (bool) $this->wherePrimaryKey($value, null)->deleteOne()->rowCount;
+        return (bool) $this->wherePrimaryKey($value, false)->deleteOne()->rowCount;
     }
 
     public function destroy(object $entity) : bool