Merge branch 'perl'

Merge branch 'perl'

* perl: (58 commits)
  Perl module: Add authorship/copyright notices
  Perl module: Apply whitespace changes
  Add perl/Makefile.am file
  add separate t/001_load.t; list Test::CheckManifest dependency
  fix number of tests
  augment docs
  add simple test for command()
  remove debug code
  simplify, fix and document command() method
  CRLF-terminate PUSH
  add command() method
  add POD and MANIFEST tests
  updated to v1.0.0
  add :rcodes and :all export tags
  add blib/
  bump version
  use Devel::CheckLib to verify OpenSSL usability
  bump version
  actually use libeopenssl if found ...
  try OpenBSD's libeopenssl first to avoid LibreSSL
  ...