Merge pull request #18 from joohnok/master

Merge pull request #4 from DITgroup2/master
Revert "Merge pull request #4 from DITgroup2/master"
Merge pull request #19 from DITgroup2/revert-18-master

Revert "Merge pull request #4 from DITgroup2/master"
Merge pull request #5 from DITgroup2/master

a n other test