Bugfix: don't try and iterate over the thing we're modifying

app/Engine/Cfnpp.php

@@ -256,7 +256,8 @@ class Cfnpp implements ICompile
 			}
 		}
 
-		foreach ($node as $child)
+		$children = $node->getChildren();
+		foreach ($children as $child)
 		{
 			$this->runFunctions($child);
 		}