Fix exercise
lightening the readme
lightening the readme
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Merge pull request #56 from lewagon/ruby-1-2-update

Ruby 1 2 update
Update croupier.rb
Update README.md
Update README.md
clean
Merge branch 'master' of github.com:lewagon/promo-2-challenges
deuxieme exo