added examples in

SE/se-lib/Response.php

@@ -1,5 +1,12 @@
 <?php
 
+/**
+ * examples:
+ *  Response::sendJson($data);
+ *  Response::sendPlainText($data);
+ *  Response::sendJsonExit($data);
+ *  Response::sendPlainTextExit($data);
+ */
 class Response {
 
 	public static function sendJson($data) {