Merge pull request #4 from machidyo/ymt/develop

added: add programs for paiza and start to manage paiza program on githu...
Merge pull request #6 from machidyo/ymt/develop

Ymt/develop
modified: add comment only
modified: add a comment for unit test
modified: add a comment for main
modified: change comments
modified: confrict1
Merge branch 'ymt/feature/confrict1' of https://github.com/machidyo/Hello-World into ymt/feature/confrict1