Issue #161
Merge pull request #77 from hiroto-exp/master

#161
Merge pull request #78 from hiroto-exp2/master

#164
Merge pull request #79 from hiroto-exp2/master

init test4
edit test4
Merge pull request #80 from hiroto-exp/master

i to test4
Merge branch 'master' of git://github.com/2ga/exp1

Conflicts:
	test4.php