add ruby 1.9 compatible debugger

Jerry Cheung · Jerry Cheung · commit 9eff84475888 · 2012-04-12T14:13:57.000-07:00
diff --git a/Gemfile b/Gemfile
@@ -10,4 +10,5 @@ group :development, :test do
   gem 'rb-fsevent'
   gem 'growl'
   gem 'json'
+  gem 'debugger'
 end
