@hackage SGplus1.1

(updated) Small geometry library for dealing with vectors and collision detection

Updated original SG to work with modern GHC. A small geometry library for dealing with vectors, points, lines, simple shapes, and their various intersection tests. See also the SGdemo project (http://hackage.haskell.org/cgi-bin/hackage-scripts/package/SGdemo) for an example of using the module.