+cookies serializer for rails apps with version >= 4.1

.travis.yml

@@ -3,6 +3,7 @@ language: ruby
 env:
   - "RAILS_VERSION=3.2.0"
   - "RAILS_VERSION=4.0.0"
+  - "RAILS_VERSION=4.1.1"
   - "RAILS_VERSION=master"
 
 rvm:

spec/rails_app/config/initializers/cookies_serializer.rb

@@ -0,0 +1,3 @@
+if Rails.version > '4.1.0'
+  Rails.application.config.action_dispatch.cookies_serializer = :json
+end

two_factor_authentication.gemspec

@@ -33,4 +33,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec-rails'
   s.add_development_dependency 'capybara'
+  s.add_development_dependency 'pry'
 end