updated the python bindings, added code for easier File I/O, and the

* python/generator.py python/libxml.c python/libxml.py
  python/libxml2-python-api.xml python/libxml2class.txt
  python/libxml_wrap.h python/types.c: updated the python
  bindings, added code for easier File I/O, and the ability to
  define a resolver from Python fixing bug #91635
* python/tests/Makefile.am python/tests/inbuf.py
  python/tests/outbuf.py python/tests/pushSAXhtml.py
  python/tests/resolver.py python/tests/serialize.py: updated
  and augmented the set of Python tests.
Daniel

python/tests/resolver.py

@@ -0,0 +1,39 @@
+#!/usr/bin/python -u
+import sys
+import libxml2
+import StringIO
+
+# Memory debug specific
+libxml2.debugMemory(1)
+
+def myResolver(URL, ID, ctxt):
+    return(StringIO.StringIO("<foo/>"))
+
+libxml2.setEntityLoader(myResolver)
+
+doc = libxml2.parseFile("doesnotexist.xml")
+root = doc.children
+if root.name != "foo":
+    print "root element name error"
+    sys.exit(1)
+doc.freeDoc()
+
+i = 0
+while i < 5000:
+    doc = libxml2.parseFile("doesnotexist.xml")
+    root = doc.children
+    if root.name != "foo":
+	print "root element name error"
+	sys.exit(1)
+    doc.freeDoc()
+    i = i + 1
+
+
+# Memory debug specific
+libxml2.cleanupParser()
+if libxml2.debugMemory(1) == 0:
+    print "OK"
+else:
+    print "Memory leak %d bytes" % (libxml2.debugMemory(1))
+    libxml2.dumpMemory()
+