preparing release of 2.6.25 Daniel

* configure.ini NEWS doc//* libxml.spec.in : preparing release of 2.6.25
Daniel
diff --git a/python/libxml2class.txt b/python/libxml2class.txt
index aea9732..20eb5c4 100644
--- a/python/libxml2class.txt
+++ b/python/libxml2class.txt
@@ -990,6 +990,7 @@
     registerXPathFunction()
 
     # functions from module xpath
+    xpathContextSetCache()
     xpathEval()
     xpathEvalExpression()
     xpathFreeContext()