ImageTools: shortlog

shortlog

Mon, 18 Nov 2019 18:21:00 -0500	Tuomo Valkonen	Added central differences fold	changeset \| files
Mon, 18 Nov 2019 17:37:23 -0500	Tuomo Valkonen	Added missing main file	changeset \| files
Mon, 18 Nov 2019 15:13:04 -0500	Tuomo Valkonen	consistent signs	changeset \| files