Update FSM code
Source modules of the FSM to their own files.
Add a print method to Graph
Cosmetic changes to graph functions
Cosmetic changes to Point_assoc
Fix spacing issues in .mli files
Refactor of Point_assoc iteration functions
Cosmetic update to Topology
Add filter functions for Pointset
Add Point_assoc.filter function
Add Graph.filter
Update test example
Cosmetic changes to the Makefile