Fixed Rakefile
Register assignment[assignment_ruby_003]
Register assignment[assignment_ruby_001]
Register assignment[assignment_ruby_002]
Fixed rakefile
Merge branch 'answers' of https://github.com/enfactv/assignment
Remove `-m` option from `pull_request` of rake task
Refactoring ruby_001.rb
Merge https://github.com/enfactv/assignment into answer_assignment_ruby_001_huyu
Merge remote-tracking branch 'origin/answer_assignment_ruby_001_huyu' into answer_assignment_ruby_001_huyu
Merge remote-tracking branch 'origin/answers' into answer_assignment_ruby_001_huyu

Conflicts:
	Rakefile
	assignment.yml