Applied patch from Torkel Lyng to add Schemas support to the Python

* xmlschemas.c include/libxml/xmlschemas.h python/generator.py
  python/libxml.c python/libxml_wrap.h python/types.c
  python/tests/schema.py python/tests/Makefile.am: Applied patch
  from Torkel Lyng to add Schemas support to the Python bindings
  and extend the schemas error API, registered a new test.
* doc/* elfgcchack.h: rebuilt to regenerate the bindings
Daniel
diff --git a/doc/APIchunk0.html b/doc/APIchunk0.html
index 555a1e0..f249ca0 100644
--- a/doc/APIchunk0.html
+++ b/doc/APIchunk0.html
@@ -58,10 +58,9 @@
 <a href="html/libxml-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a><br />
 <a href="html/libxml-relaxng.html#xmlRelaxNGValidateDoc">xmlRelaxNGValidateDoc</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNode">xmlSchemaValPredefTypeNode</a><br />
-<a href="html/libxml-xmlschemas.html#xmlSchemaValidateDoc">xmlSchemaValidateDoc</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNodeNoNorm">xmlSchemaValPredefTypeNodeNoNorm</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateFacet">xmlSchemaValidateFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidatePredefinedType">xmlSchemaValidatePredefinedType</a><br />
-<a href="html/libxml-xmlschemas.html#xmlSchemaValidateStream">xmlSchemaValidateStream</a><br />
 <a href="html/libxml-tree.html#xmlValidateNCName">xmlValidateNCName</a><br />
 <a href="html/libxml-tree.html#xmlValidateNMToken">xmlValidateNMToken</a><br />
 <a href="html/libxml-tree.html#xmlValidateName">xmlValidateName</a><br />
@@ -209,6 +208,7 @@
 </dd><dt>Balanced</dt><dd><a href="html/libxml-parser.html#xmlParseBalancedChunkMemory">xmlParseBalancedChunkMemory</a><br />
 <a href="html/libxml-parser.html#xmlParseBalancedChunkMemoryRecover">xmlParseBalancedChunkMemoryRecover</a><br />
 <a href="html/libxml-parser.html#xmlParseEntity">xmlParseEntity</a><br />
+<a href="html/libxml-parser.html#xmlParseInNodeContext">xmlParseInNodeContext</a><br />
 <a href="html/libxml-parser.html#xmlSAXParseEntity">xmlSAXParseEntity</a><br />
 </dd><dt>Base</dt><dd><a href="html/libxml-parser.html#_xmlParserInput">_xmlParserInput</a><br />
 <a href="html/libxml-tree.html#xmlNodeGetBase">xmlNodeGetBase</a><br />