ImportSourceHook: add failsafe getSetting method

library/Director/Import/Sync.php

@@ -301,7 +301,6 @@ class Sync
             if ($object->hasBeenModified()) {
                 $object->store($db);
             }
-
         }
 
         $dba->commit();

library/Director/Web/Hook/ImportSourceHook.php

@@ -64,6 +64,14 @@ abstract class ImportSourceHook
         return $this;
     }
 
+    public function getSetting($name, $default = null) {
+        if (array_key_exists($name, $this->settings)) {
+            return $this->settings[$name];
+        } else {
+            return $default;
+        }
+    }
+
     /**
      * Returns an array containing importable objects
      *