Change history of Diffs algorithm

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
3	2005-02-23 02:19:11	172.147.134.40	no	no	3	3
2	2005-02-23 02:16:51	172.147.134.40	no	no	2	2
1	2005-02-23 02:15:53	172.147.134.40	no	no	1	1
0	2005-02-23 02:14:52	172.147.134.40	no	no	0	0