Version 2.0

Released 2.0.0.beta2.

Machinist 2.0.0beta1 release.

Regenerated gemspec for version 1.0.6

Bumped gem version to 1.0.5 for Sequel support.

Big thanks to Pavel Kunc and Roland Swingler. I should have merged
these changes ages ago!

Release 1.0.4, now on gemcutter.

Tagging version 1.0.0