Add a configuration spec and make it pass. Does nothing yet.
Remove builds for Ruby 1.8; we won't be supporting it.
Forgot to require the new configuration class file.
Tweak Guardfile and README; toy with configuration spec.
Update minitest to latest version in Gemfile.
Stop building for ruby-head, as bundler is broken or something.
Merge branch 'issue/1' into feature/configuration
Merge branch 'feature/configuration' into develop