Log Message:
Update p5-XML-LibXML-Simple to 0.91.

Changes from previous:
version 0.91: Mon Jul 11 22:40:02 CEST 2011
        Fixes:
        - forcearray option with one element
          rt.cpan.org#69336 [Matt W Johnson]

version 0.90: Wed Jun 15 10:20:48 CEST 2011
        Fixes:
        - initialize XML::LibXML::Parser into safe mode.
          rt.cpan.org#68803 [Yann Kerherve]

        Improvements:
        - new Parser and ParserOpts parameters

version 0.15: Thu Apr 28 10:22:34 CEST 2011
        Fixes:
        - parser object recreated each time, because it cannot be
          reused (any more?). [Didier Brun]