fixed namespace bug in push mode reported by Rob Richards added it to the

* parser.c: fixed namespace bug in push mode reported by
  Rob Richards
* test/ns6 result//ns6*: added it to the regression tests
* xmlmodule.c testModule.c include/libxml/xmlmodule.h:
  added an extra option argument to module opening and defined
  a couple of flags to the API.
Daniel
diff --git a/result/ns6.rdr b/result/ns6.rdr
new file mode 100644
index 0000000..23a80ec
--- /dev/null
+++ b/result/ns6.rdr
@@ -0,0 +1,10 @@
+0 1 root 0 0
+1 14 #text 0 1 
+  
+1 1 foo 1 0
+1 14 #text 0 1 
+  
+1 1 bar 1 0
+1 14 #text 0 1 
+
+0 15 root 0 0