NEWS.md
improved the circle drawing code, so that either the x- or y-axis distance properly determines the circle radius
added circle and ellipse drawing modes that work like freehand drawing but the nearest circle/ellipse corresponding to the input coordinates is drawn (makes use of the conicfit package)
added a smooth mode for freehand drawing
much faster undo for freehand drawing
can now toggle through four different point symbols and three different line types
info at the top now also shows the drawing mode; can click on the boxes to select the mode / color (or to toggle smooth/snap)
added option to rescale the visual information via the info argument