some mods to xmlrpc library to handle data types better, and to exit() content so Output class does not muck with it
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php
index b7382fa..c7daa60 100644
--- a/system/libraries/Xmlrpcs.php
+++ b/system/libraries/Xmlrpcs.php
@@ -123,7 +123,7 @@
 		
 		header("Content-Type: text/xml");
 		header("Content-Length: ".strlen($payload));
-		echo $payload;
+		exit($payload);
 	}
 
 	//-------------------------------------