Change history of XML as dict structure

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
4	2018-12-04 23:28:12	admin	yes	no	4	4
3	2018-08-24 21:30:33	wdb	no	no	3	3
2	2018-08-24 16:48:54	wdb	no	no	2	2
1	2018-08-24 16:14:34	wdb	no	no	1	1
0	2018-08-24 16:09:36	wdb	no	no	0	0