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/APIchunk5.html b/doc/APIchunk5.html
index ab4f07a..46dba93 100644
--- a/doc/APIchunk5.html
+++ b/doc/APIchunk5.html
@@ -118,6 +118,7 @@
 <a href="html/libxml-parserInternals.html#xmlParseDefaultDecl">xmlParseDefaultDecl</a><br />
 <a href="html/libxml-parser.html#xmlParseExternalEntity">xmlParseExternalEntity</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseExternalID">xmlParseExternalID</a><br />
+<a href="html/libxml-parser.html#xmlParseInNodeContext">xmlParseInNodeContext</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseQuotedString">xmlParseQuotedString</a><br />
 <a href="html/libxml-uri.html#xmlParseURI">xmlParseURI</a><br />
 <a href="html/libxml-uri.html#xmlParseURIReference">xmlParseURIReference</a><br />