Drawing Graphs with Mondrian

Using Bloc and Mondrian to draw graphs in Glamorous Toolkit (Moldable Development enviroment for Pharo Smalltalk).

Spent much of the time just trying to think through how to model the Bex concepts in smalltalk, and then managed to crash GT and had to rebuild everything... I finally got to mondrian at the end... so probably there will be a Mondrian, take 2 next time. :)