Log Message:
Update ruby-commander package to 4.0.4.

4.0.4 / 2011-04-04
==================

  * Fixed program(:key) behavior for non-Array keys like name, version, \ 
description under Ruby 1.9
  * All specs should pass under Ruby 1.9 now

4.0.3 / 2010-04-06
==================

  * Fixed global_option which was consuming arguments when not expected. Closes #22