Gemfile in hands-0.2.1 vs Gemfile in hands-0.3.0

@@ -1,16 +1,19 @@
 source 'https://rubygems.org'
 
 gemspec
 
 # Utility
-gem 'rake'
+gem 'rake', :group => [:development, :test]
 
 # Documentation
-gem 'yard'
-gem 'redcarpet'
+group :development do
+  gem 'yard'
+  gem 'redcarpet', :platform => :ruby
+end
 
+# Testing
 group :test do
   gem 'minitest'
-  gem 'minitest-wscolor'
-  gem 'simplecov'
+  gem 'minitest-wscolor' if RUBY_VERSION >= '1.9.3'
+  gem 'simplecov', :require => false
 end