pbkdf2-0.5 Wed, 11 Jul 2018 13:22:28 +1000
  * Bug: Fix bad home URL in README.txt

pbkdf2-0.4 Mon, 17 Aug 2015 23:11:05 +1000
  * New: New Makefile.release updates
  * New: Port to Debian Jessie

pbkdf2-0.3 Wed, 18 Jun 2014 17:17:35 +1000
  * Bug: Make argument parsing more like standard Unix.
  * Bug: Don't echo password when read from a tty.

pbkdf2-0.2 Tue, 17 Jun 2014 13:18:32 +1000
  * Bug: Edit doco for clarity.
  * New: New Makefile.release.
  * New: Turn on more optimisations, 14% improvement for gcc.
  * New: Better tesing in configure.ac for compiler flags.

pbkdf2-0.1 Tue,  3 Jun 2014 21:29:35 +1000
  * New: Epoch.