Log Message:
Update to 1.81

Upstream changes:
1.81            Fri  5 Jul 10:13:36 IDT 2013
    - Fix a typo reported by dsteinbrunner:
    - https://rt.cpan.org/Ticket/Display.html?id=86689

1.80            Wed 23 Jan 07:53:57 IST 2013
    - Bump the minimum version of libxslt2 to 1.1.28.
    - due to failures such as \ 
http://www.cpantesters.org/cpan/report/6f5029ee-639a-11e2-8465-2a97270fb964

1.79            Mon 26 Nov 12:15:35 IST 2012
    - Die when libxslt is 1.1.27.
    - Due to this bug - https://bugzilla.gnome.org/show_bug.cgi?id=684564