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/APIfunctions.html b/doc/APIfunctions.html
index 5121518..25002af 100644
--- a/doc/APIfunctions.html
+++ b/doc/APIfunctions.html
@@ -327,7 +327,9 @@
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaCollapseString">xmlSchemaCollapseString</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaGetPredefinedType">xmlSchemaGetPredefinedType</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNode">xmlSchemaValPredefTypeNode</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#xmlSchemaValidateLengthFacet">xmlSchemaValidateLengthFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateListSimpleTypeFacet">xmlSchemaValidateListSimpleTypeFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidatePredefinedType">xmlSchemaValidatePredefinedType</a><br />
 <a href="html/libxml-tree.html#xmlSearchNs">xmlSearchNs</a><br />
@@ -573,7 +575,8 @@
 <a href="html/libxml-chvalid.html#xmlIsPubidChar">xmlIsPubidChar</a><br />
 </p><h2>Type unsigned long:</h2><p><a href="html/libxml-nanoftp.html#ftpListCallback">ftpListCallback</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateListSimpleTypeFacet">xmlSchemaValidateListSimpleTypeFacet</a><br />
-</p><h2>Type unsigned long *:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateListSimpleTypeFacet">xmlSchemaValidateListSimpleTypeFacet</a><br />
+</p><h2>Type unsigned long *:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateLengthFacet">xmlSchemaValidateLengthFacet</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateListSimpleTypeFacet">xmlSchemaValidateListSimpleTypeFacet</a><br />
 </p><h2>Type va_list:</h2><p><a href="html/libxml-xmlstring.html#xmlStrVPrintf">xmlStrVPrintf</a><br />
 <a href="html/libxml-xmlwriter.html#xmlTextWriterWriteVFormatAttribute">xmlTextWriterWriteVFormatAttribute</a><br />
 <a href="html/libxml-xmlwriter.html#xmlTextWriterWriteVFormatAttributeNS">xmlTextWriterWriteVFormatAttributeNS</a><br />
@@ -823,6 +826,8 @@
 <a href="html/libxml-xpathInternals.html#xmlXPathWrapExternal">xmlXPathWrapExternal</a><br />
 </p><h2>Type void **:</h2><p><a href="html/libxml-relaxng.html#xmlRelaxNGGetParserErrors">xmlRelaxNGGetParserErrors</a><br />
 <a href="html/libxml-relaxng.html#xmlRelaxNGGetValidErrors">xmlRelaxNGGetValidErrors</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetParserErrors">xmlSchemaGetParserErrors</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetValidErrors">xmlSchemaGetValidErrors</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderGetErrorHandler">xmlTextReaderGetErrorHandler</a><br />
 </p><h2>Type xlinkActuate *:</h2><p><a href="html/libxml-xlink.html#xlinkExtendedLinkFunk">xlinkExtendedLinkFunk</a><br />
 </p><h2>Type xlinkHandlerPtr:</h2><p><a href="html/libxml-xlink.html#xlinkSetDefaultHandler">xlinkSetDefaultHandler</a><br />
@@ -1361,6 +1366,7 @@
 <a href="html/libxml-tree.html#xmlNodeSetLang">xmlNodeSetLang</a><br />
 <a href="html/libxml-tree.html#xmlNodeSetName">xmlNodeSetName</a><br />
 <a href="html/libxml-tree.html#xmlNodeSetSpacePreserve">xmlNodeSetSpacePreserve</a><br />
+<a href="html/libxml-parser.html#xmlParseInNodeContext">xmlParseInNodeContext</a><br />
 <a href="html/libxml-pattern.html#xmlPatternMatch">xmlPatternMatch</a><br />
 <a href="html/libxml-tree.html#xmlReconciliateNs">xmlReconciliateNs</a><br />
 <a href="html/libxml-globals.html#xmlRegisterNodeFunc">xmlRegisterNodeFunc</a><br />
@@ -1370,6 +1376,7 @@
 <a href="html/libxml-tree.html#xmlReplaceNode">xmlReplaceNode</a><br />
 <a href="html/libxml-xmlsave.html#xmlSaveTree">xmlSaveTree</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNode">xmlSchemaValPredefTypeNode</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNodeNoNorm">xmlSchemaValPredefTypeNodeNoNorm</a><br />
 <a href="html/libxml-tree.html#xmlSearchNs">xmlSearchNs</a><br />
 <a href="html/libxml-tree.html#xmlSearchNsByHref">xmlSearchNsByHref</a><br />
 <a href="html/libxml-tree.html#xmlSetListDoc">xmlSetListDoc</a><br />
@@ -1445,6 +1452,7 @@
 <a href="html/libxml-parser.html#xmlParseBalancedChunkMemoryRecover">xmlParseBalancedChunkMemoryRecover</a><br />
 <a href="html/libxml-parser.html#xmlParseCtxtExternalEntity">xmlParseCtxtExternalEntity</a><br />
 <a href="html/libxml-parser.html#xmlParseExternalEntity">xmlParseExternalEntity</a><br />
+<a href="html/libxml-parser.html#xmlParseInNodeContext">xmlParseInNodeContext</a><br />
 </p><h2>Type xmlNodeSetPtr:</h2><p><a href="html/libxml-c14n.html#xmlC14NDocDumpMemory">xmlC14NDocDumpMemory</a><br />
 <a href="html/libxml-c14n.html#xmlC14NDocSave">xmlC14NDocSave</a><br />
 <a href="html/libxml-c14n.html#xmlC14NDocSaveTo">xmlC14NDocSaveTo</a><br />
@@ -1735,10 +1743,13 @@
 <a href="html/libxml-xmlsave.html#xmlSaveTree">xmlSaveTree</a><br />
 </p><h2>Type xmlSchemaFacetPtr:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaCheckFacet">xmlSchemaCheckFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaFreeFacet">xmlSchemaFreeFacet</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaGetFacetValueAsULong">xmlSchemaGetFacetValueAsULong</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateFacet">xmlSchemaValidateFacet</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateLengthFacet">xmlSchemaValidateLengthFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateListSimpleTypeFacet">xmlSchemaValidateListSimpleTypeFacet</a><br />
 </p><h2>Type xmlSchemaParserCtxtPtr:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaCheckFacet">xmlSchemaCheckFacet</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaFreeParserCtxt">xmlSchemaFreeParserCtxt</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetParserErrors">xmlSchemaGetParserErrors</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaParse">xmlSchemaParse</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaSetParserErrors">xmlSchemaSetParserErrors</a><br />
 </p><h2>Type xmlSchemaPtr:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaDump">xmlSchemaDump</a><br />
@@ -1749,22 +1760,31 @@
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaGetBuiltInListSimpleTypeItemType">xmlSchemaGetBuiltInListSimpleTypeItemType</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaIsBuiltInTypeFacet">xmlSchemaIsBuiltInTypeFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNode">xmlSchemaValPredefTypeNode</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#xmlSchemaValidateLengthFacet">xmlSchemaValidateLengthFacet</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidatePredefinedType">xmlSchemaValidatePredefinedType</a><br />
 </p><h2>Type xmlSchemaValPtr:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaCompareValues">xmlSchemaCompareValues</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaFreeValue">xmlSchemaFreeValue</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateFacet">xmlSchemaValidateFacet</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValidateLengthFacet">xmlSchemaValidateLengthFacet</a><br />
 </p><h2>Type xmlSchemaValPtr *:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNode">xmlSchemaValPredefTypeNode</a><br />
+<a href="html/libxml-xmlschemastypes.html#xmlSchemaValPredefTypeNodeNoNorm">xmlSchemaValPredefTypeNodeNoNorm</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaValidatePredefinedType">xmlSchemaValidatePredefinedType</a><br />
 </p><h2>Type xmlSchemaValType:</h2><p><a href="html/libxml-xmlschemastypes.html#xmlSchemaGetBuiltInType">xmlSchemaGetBuiltInType</a><br />
 </p><h2>Type xmlSchemaValidCtxtPtr:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaFreeValidCtxt">xmlSchemaFreeValidCtxt</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetValidErrors">xmlSchemaGetValidErrors</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaSetValidErrors">xmlSchemaSetValidErrors</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaValidateDoc">xmlSchemaValidateDoc</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaValidateStream">xmlSchemaValidateStream</a><br />
 </p><h2>Type xmlSchemaValidityErrorFunc:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaSetParserErrors">xmlSchemaSetParserErrors</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaSetValidErrors">xmlSchemaSetValidErrors</a><br />
+</p><h2>Type xmlSchemaValidityErrorFunc *:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaGetParserErrors">xmlSchemaGetParserErrors</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetValidErrors">xmlSchemaGetValidErrors</a><br />
 </p><h2>Type xmlSchemaValidityWarningFunc:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaSetParserErrors">xmlSchemaSetParserErrors</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaSetValidErrors">xmlSchemaSetValidErrors</a><br />
+</p><h2>Type xmlSchemaValidityWarningFunc *:</h2><p><a href="html/libxml-xmlschemas.html#xmlSchemaGetParserErrors">xmlSchemaGetParserErrors</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaGetValidErrors">xmlSchemaGetValidErrors</a><br />
 </p><h2>Type xmlSchemaWildcardPtr:</h2><p><a href="html/libxml-schemasInternals.html#xmlSchemaFreeWildcard">xmlSchemaFreeWildcard</a><br />
 </p><h2>Type xmlShellCtxtPtr:</h2><p><a href="html/libxml-debugXML.html#xmlShellBase">xmlShellBase</a><br />
 <a href="html/libxml-debugXML.html#xmlShellCat">xmlShellCat</a><br />