Short: Swaps mouse keys

LeftyMouse	Yet another LeftyMouse, this one implemented as a commodity.
		Swaps the left and right mousebutton for lefties.  Requires
		at least AmigaOS 2.04.  Version 1.06, an update to version
		1.04 on disk 497.  Includes german version and source in C.
		Author:  Stefan Sticht