0.05  Sun, 10 Oct 2010 06:23:42 +0200
  * Improve the documentation further, especially regarding the non-lexical
    effect of change_package. Thank you, Ricardo SIGNES, Chad Granum, and Karen
    Etheridge for helping me with this.

0.04  Sun, 10 Oct 2010 05:40:21 +0200
  * Improve documentation.

0.03  Sat, 09 Oct 2010 16:42:10 +0200
  * Fix repo url.

0.02  Sat, 09 Oct 2010 16:22:39 +0200
  * Fix typo in the abstract.

0.01  Sat, 09 Oct 2010 03:24:12 +0200
  * Initial release.