Set required RubyGems version to 1.3.1 and bump version to 0.0.2.
Set required RubyGems version to 1.3.1 and bump version to 0.0.2.

We make use of RubyGem's development dependencies that only work
in RubyGems 1.3.1. Everything older is broken, anyway.

Update the Gem version to trigger a Gem rebuild.

JoergWMittag/akkordarbeit