Log Message:
Update to 2.0107

Upstream changes:
2.0107          Thu 31 Oct 09:12:03 IST 2013
    - Add a unique_key method for namespace objects.
        - \ 
https://bitbucket.org/shlomif/perl-xml-libxml/pull-request/24/unique_key-method-for-namespace-objects/diff
        - Thanks to garfieldnate for the pull request.
    - Grammar fixes in the documentation.
        - https://rt.cpan.org/Ticket/Display.html?id=89718
        - Thanks to Gregor Herrman and the Debian Team