Improve class 1
Add class 7 exercises
Add ruby style guide for class 6
Tweak class 6 ruby style guide
Tweak class 6 ruby style guide
Tweak class 6 ruby style guide
Tweak class 5 and 6 ruby style guides
Tweak class 5 and 6 ruby style guides
Tweak class 5 and 6 ruby style guides
Tweak class 6 ruby style guide
Tweak class 6 ruby style guide
Tweak class 6 ruby style guide
Extract the ruby style guides (start)
Ignore changes to birth_dates.yml
Tweak class 7 exercises
Merge branch 'master' of https://github.com/codefellows/sea-c17-ruby
Fix to class 7 exercise 1
Add exercises for class 8
Add class guidelines
Preparing for merge