Cleanup, patch from Wayne Davison:

- xmlIO.h tree.h: made xmlNodeDump() and xmlNodeDumpOutput() public
- parser.[ch] nanohttp.c HTMLtree.c HTMLparser.c tree.c: applied and
  modified slightly Wayne Davison patch adding xmlStrcasecmp and
  related function, fixing xmlStrncmp(), and associated cleanup
- result/HTML/entities.html.sax: updating result
Daniel

include/libxml/xmlIO.h

@@ -150,6 +150,12 @@ int     xmlRegisterOutputCallbacks	(xmlOutputMatchCallback match,
 int		xmlSaveFileTo		(xmlOutputBuffer *buf,
 					 xmlDocPtr cur,
 					 const char *encoding);
+void		xmlNodeDumpOutput	(xmlOutputBufferPtr buf,
+					 xmlDocPtr doc,
+					 xmlNodePtr cur,
+					 int level,
+					 int format,
+					 const char *encoding);
 #ifdef __cplusplus
 }
 #endif