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/APIconstructors.html b/doc/APIconstructors.html
index 0bf6224..9a839cc 100644
--- a/doc/APIconstructors.html
+++ b/doc/APIconstructors.html
@@ -83,6 +83,7 @@
 <a href="html/libxml-xmlsave.html#xmlSaveTree">xmlSaveTree</a><br />
 <a href="html/libxml-xpath.html#xmlXPathOrderDocElems">xmlXPathOrderDocElems</a><br />
 </p><h2>Type unsigned long:</h2><p><a href="html/libxml-parser.html#xmlParserFindNodeInfoIndex">xmlParserFindNodeInfoIndex</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaGetFacetValueAsULong">xmlSchemaGetFacetValueAsULong</a><br />
 </p><h2>Type void *:</h2><p><a href="html/libxml-catalog.html#xmlCatalogAddLocal">xmlCatalogAddLocal</a><br />
 <a href="html/libxml-xmlIO.html#xmlFileOpen">xmlFileOpen</a><br />
 <a href="html/libxml-hash.html#xmlHashCopier">xmlHashCopier</a><br />
@@ -418,6 +419,7 @@
 <a href="html/libxml-parser.html#xmlCreatePushParserCtxt">xmlCreatePushParserCtxt</a><br />
 <a href="html/libxml-parserInternals.html#xmlCreateURLParserCtxt">xmlCreateURLParserCtxt</a><br />
 <a href="html/libxml-parser.html#xmlNewParserCtxt">xmlNewParserCtxt</a><br />
+</p><h2>Type xmlParserErrors:</h2><p><a href="html/libxml-parser.html#xmlParseInNodeContext">xmlParseInNodeContext</a><br />
 </p><h2>Type xmlParserInputBufferCreateFilenameFunc:</h2><p><a href="html/libxml-globals.html#xmlParserInputBufferCreateFilenameDefault">xmlParserInputBufferCreateFilenameDefault</a><br />
 <a href="html/libxml-globals.html#xmlThrDefParserInputBufferCreateFilenameDefault">xmlThrDefParserInputBufferCreateFilenameDefault</a><br />
 </p><h2>Type xmlParserInputBufferPtr:</h2><p><a href="html/libxml-xmlIO.html#xmlAllocParserInputBuffer">xmlAllocParserInputBuffer</a><br />