Change history of EAN-13 checksum

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
4	2018-05-23 16:05:14	ak	no	no	4	4
3	2011-04-05 23:53:40	AK	no	no	3	3
2	2005-08-18 18:44:19	AK,209.17.183.249	no	no	2	2
1	2005-08-18 18:02:56	201.27.75.166	no	no	1	1
0	2005-08-18 18:02:09	201.27.75.166	no	no	0	0