Methods
add_edge (DiagramGraph)
add_node (DiagramGraph)
diagram_type= (DiagramGraph)
generate (ModelsDiagram)
generate (ControllersDiagram)
new (DiagramGraph)
new (ControllersDiagram)
new (AppDiagram)
new (ModelsDiagram)
new (OptionsStruct)
parse (OptionsStruct)
print (AppDiagram)
show_label= (DiagramGraph)
to_dot (DiagramGraph)