Minor API change

Author: blafoo

src/main/java/de/blafoo/growatt/md5/MD5.java

@@ -20,7 +20,7 @@ public static String md5(String password) {
 		try {
 			ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn");
 
-			engine.eval(new URLReader(new URL("https://server.growatt.com/javaScript/xhb/js/MD5.js?1.0.0")));
+			engine.eval(new URLReader(new URL("https://server.growatt.com/javaScript/xhb/js/MD5.js?1.6.1")));
 
 			Invocable inv = (Invocable) engine;
 			return (String) inv.invokeFunction("MD5", password);