Add this line to your application's Gemfile:

gem 'mpressen_palindrome'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mpressen_palindrome

You eed a Rubygem account

updating gem --> increment version in lib/mpressen_palindrome/version.rb

gem build mpressen_palindrome.gem
gem push mpressen_palindrome-0.1.1.gem