Gemfile in hobo_fields-2.1.2 vs Gemfile in hobo_fields-2.2.0

@@ -2,9 +2,10 @@
 
 gem 'rubydoctest', :git => 'git://github.com/bryanlarsen/rubydoctest.git'
 gem 'rails'
 gem 'yard'
 gem 'protected_attributes'
+gem 'responders', '~> 2.0'
 
 gemspec :path => "../hobo_support"
 gemspec
 platform :ruby do
   gem 'sqlite3'