bump version to 0.7a2
diff --git a/doc/html/callbacks.html b/doc/html/callbacks.html
index a02cfea..b891258 100644
--- a/doc/html/callbacks.html
+++ b/doc/html/callbacks.html
@@ -56,7 +56,7 @@
 Python threads to be able to do other things. The real trouble is if you've
 released the thread lock to do a potentially blocking operation, and the
 operation calls a callback. Then we must take the thread lock back<A NAME="tex2html6"
-  HREF="#foot966"><SUP>5</SUP></A>.
+  HREF="#foot970"><SUP>5</SUP></A>.
 
 <P>
 There are two solutions to the first problem, both of which are necessary. The
@@ -84,7 +84,7 @@
 <P>
 <BR><HR><H4>Footnotes</H4>
 <DL>
-<DT><A NAME="foot966">... back</A><A
+<DT><A NAME="foot970">... back</A><A
  href="callbacks.html#tex2html6"><SUP>5</SUP></A></DT>
 <DD>I'm
 not sure why this is necessary, but otherwise I get a segmentation violation on
@@ -120,7 +120,7 @@
 <b class="navlabel">Up:</b> <a class="sectref" href="internals.html">4 Internals</A>
 <b class="navlabel">Next:</b> <a class="sectref" href="socket-methods.html">4.3 Acessing Socket Methods</A>
 <hr>
-<span class="release-info">Release 0.7a1.</span>
+<span class="release-info">Release 0.7a2.</span>
 </DIV>
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