updates Readme.html and rebuilds javassist.jar

Readme.html

@@ -283,7 +283,7 @@ see javassist.Dump.
 
 <p>-version 3.25
 <ul>
-    <li>GitHub Issue #72 (PR #231), #241, #242 (PR #243).
+    <li>GitHub Issue #72 (PR #231), #241, #242 (PR #243), PR #244.
 </ul>
 
 <p>-version 3.24.1 on December 9, 2018