Log Message:
Update to 0.99

Upstream changes:
0.99 - J. Nick Koston <bdraco@cpan.org> 2016-07-16
    - Add a fetch_all function for 1:1 hash mapping

0.98 - Todd Rinaldo <toddr@cpan.org> 2015-06-30
    - Replace use vars with our (deprecated since 5.6.0)
    - Switch from Dynaloader to XSLoader as it's known to be a lower memory \ 
profile module.

0.97_01 - Todd Rinaldo <toddr@cpan.org> 2011-04-05
    - Put ppport.h back in with an updated version.
    - ppport.h warnings now indicate that the module is not perl 5.6 compatible,
      but the test suite continues to succeed there. p5p suggests dropping support
      for 5.6