53 commits

Author	SHA1	Message	Date
David Thompson	a01fdd8983	Remove comment.	2024-05-18 19:08:28 -04:00
David Thompson	9b6ed8ba71	Add basic undo with Z key.	2024-05-18 18:51:45 -04:00
David Thompson	a34a7e9b7a	Add block pushing and wireworld simulation.	2024-05-18 14:04:35 -04:00