revise download page for version 0.52 take two, a=chris

diff --git a/en-US/pages/downloads.thtml b/en-US/pages/downloads.thtml
index ed9d5b3..8ccf1ec 100755
--- a/en-US/pages/downloads.thtml
+++ b/en-US/pages/downloads.thtml
@@ -2,8 +2,8 @@
 <h2>Yioop! Releases</h2>
 <p>The Yioop! source code is still at an alpha stage. </p>
 <ul>
-<li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&h=33b2b20ad6a61b08dc1dd0f0b469bb493496e656&
-hb=d616f6b87e0142a535d2ac32f8712450a21b59a3&t=zip"
+<li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&h=21440ff6f620fe99477546701d01070488b6636d&
+hb=181d421bb7151a62939a18b6a843864d888f015e&t=zip"
     >Version 0.52-ZIP</a></li>
 <li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&
 h=a33319a5bc6ed58c11af462e8645397fe2c76f27&