1.00 Refactor build system to use Module::Install

     Add test for pod, perl critic.  Make pass.

     Make the ok, fail, pass, diag functions private

     Improve documentation

0.02 Change is_dodgy_utf8 to is_sane_utf8 after feedback from
     London.pm.  New name was Richard Clamp's idea.

     Fix missing use 5.007003 in Makefile.PL

0.01 Initial Release