Inverted return value of include? check.
Removed RR deprecation warning by removing include RR::Adapters::TestUnit.
Switched ^ to \A and $ to \z in sanitize_css.
Removed the require for ActionView helpers and updated README.rdoc to reflect this.
Added a SHORTHAND_CSS_PROPERTIES constant to flush better with Rails' sanitize helper.
Changed version in gemspec to 1.2.1