Release Log: 0.2 fixed position highlight rectangles 0.1 basic screen format, static image loaded under pgm control
ToDo: implement drawing tools:line, rectangle, circle, freehand, compass, ruler, copy, color, paint, save color choice, opacity corner choices center choices width/height/diameter choices line thickness choices make base layer image variable add base layer image sizing controls Graphic Canvas Rectangle: add/remove, offer rotational control