started adding SAX interfaces added a basic SAX test Daniel

* python/TODO python/libxml.c: started adding SAX interfaces
* python/tests/Makefile.am python/tests/pushSAX.py: added a basic
  SAX test
Daniel
diff --git a/python/tests/Makefile.am b/python/tests/Makefile.am
index e468e6c..c73f0c6 100644
--- a/python/tests/Makefile.am
+++ b/python/tests/Makefile.am
@@ -6,6 +6,7 @@
     tstxpath.py	\
     xpathext.py	\
     push.py	\
+    pushSAX.py	\
     error.py	\
     validate.py	\
     xpath.py