import bunch of challenges
Update bank_account_spec.rb
Merge branch 'master' of github.com:lewagon/promo-2-challenges
Ruby cookbook
Typo, fixes, precisions
Merge pull request #79 from lewagon/2-OOP-8-cookbook

Ruby cookbook
Merge branch 'master' of github.com:lewagon/promo-2-challenges
fix on spec
Merge branch 'master' of github.com:lewagon/promo-2-challenges
IBAN TMTC