'attribute_condition' has been deprecated on Rails3. for workaround, disable extended search condition by bits.
modifiled gemspec
fix checking rails version.
Fix undefined method `colorzie_logging=` in ActiveRecord 3.2

colorzie_logging= move to Rails::Application::Configuration
Fix syntax error in ruby 1.9 later
Merge pull request #1 from ukstudio/fork-scaleout

For Rails3 and Ruby1.9 later