Change history of Tcl Tutorial Lesson 4

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
5	2020-07-19 13:11:43	arjen	yes	no	5	5
4	2017-09-11 04:16:36	arjen	no	no	4	4
3	2017-06-02 06:34:03	arjen	no	no	3	3
2	2017-06-02 06:33:36	arjen	no	no	2	2
1	2017-06-02 06:32:24	arjen	no	no	1	1
0	2017-05-28 13:30:10	arjen	no	no	0	0