Roman numerals
Merge pull request #68 from lewagon/optional-roman

Roman numerals
fix wrong challenge numbering
Fix optional shuffle first spec so that rake does not pass 1 exercise
Merge branch 'master' of github.com:lewagon/promo-2-challenges
Fix readme syntax
Fix readme syntax
Autolink does not work
Fix readme
Fix readme
Fix readme
Merge branch 'master' of github.com:lewagon/promo-2-challenges
enumerable