Gemfile in datarank-1.1.1 vs Gemfile in datarank-1.1.2

@@ -3,9 +3,10 @@
 group :development do
   gem 'guard-rspec'
   gem 'guard-yard'
   gem 'pry'
   gem 'yard'
+  gem 'rb-readline'
 end
 
 group :test do
   gem 'rspec'
   gem 'simplecov', :require => false
\ No newline at end of file