History

Time	Change
2012-03-04 12:12:45+00:00	Created
2012-03-04 12:12:45+00:00	Associated with username
2015-03-21 15:36:15+00:00	Associated with Username
2015-12-14 14:10:19+00:00	Associated with 利用者名
2015-12-14 14:10:19+00:00	Associated with username=""
2015-12-14 14:10:31+00:00	Associated with username*
2016-01-01 15:15:34+00:00	Associated with userid