Log Message:
Update to 2.43:

2.43 2014-12-11 (by Todd Rinaldo)
    - POD patch to man from Debian via Nicholas Bamber
    - POD patch from Debian via gregor herrmann.
    - Add more useful error message on parse to Expat
    - Fix LWP dependency to be LWP::Useragent
    - Bump to 2.43 for overdue release to CPAN.

2.42_01 2013-07-12 (by Todd Rinaldo)
    - Added instructions to README for OSX
    - XS changes: stop using SvPV(string, PL_na)
    - Fix documentation typos