* configure.in: preparing a beta3 solving the ABI problems
* globals.c parser.c parserInternals.c testHTML.c HTMLparser.c SAX.c
  include/libxml/globals.h include/libxml/SAX.h: make sure the
  global variables for the default SAX handler are V1 ones to
  avoid ABI compat problems.
* xmlreader.c: cleanup of uneeded code
* hash.c: fix a comment
Daniel