Log Message:
Update p5-PAR-Dist to 0.51

0.51  2020-11-30

- Fix problem with Cwd::realpath()

  Some versions of Cwd::realpath() must be called on an *existing* path,
  otherwise they will return undef.

0.50  2020-11-17

- Fix RT#132067: fix for Archive::Zip related test failures due to symlinks
  Thanks, Shawn Laffan!

- create repo on GitHub, update metadata