PropertyModifierHook: add getSetting method

library/Director/Hook/PropertyModifierHook.php

@@ -53,6 +53,15 @@ abstract class PropertyModifierHook
         return $this;
     }
 
+    public function getSetting($name, $default = null)
+    {
+        if (array_key_exists($name, $this->settings)) {
+            return $this->settings[$name];
+        } else {
+            return $default;
+        }
+    }
+
     /**
      * Methode to transform the given value
      *