Add rubocop
Update Gemfile.lock
Create rubocop configration files
Update RuboCop config and rewrite code
Update RuboCop config and rewrite code
Update RuboCop config and rewrite code
Update RuboCop config and rewrite code
Update RuboCop config and rewrite code
Remove coverage.rb
Update RuboCop config and rewrite code
Update RuboCop config and rewrite code
Merge pull request #17 from gouf/refactor_spec

Refactor code