Change to a series of 5 exercises
Remove .gitignore for class6
Improve class6 exercises
Fix rubocop violations
Improve the hash style guide
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
Improve the hash style guide
Improve the hash style guide
Add Symbols style guide
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
homework 6.1-5