週文字列の構文解析

History

Time	Change
2008-12-13 03:48:39+00:00	Created
2008-12-13 03:48:39+00:00	Associated with 8458
2014-05-06 09:03:24+00:00	Disassociated from 8458
2014-05-06 09:03:31+00:00	Associated with 10015