Disable method length style cop for Integer#to_roman
Disable TrivialAccessors cop for class7 exercises2-5
Improve class8 exercises
Fix class8 exercise7 spec
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
Improve class style guide
Improve class style guide
Improve class style guide
Improve class style guide
Improve class style guide
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
Fix Class style guide
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
submitted class 8 exercises