Add all tests in separate cpp file
Fix potential bug in nullspace computation
Add fctId in srdag print
Add nb of connected in/ouput edges
Call all tests in main
Fix bug in broadcast simplification
Fix bug in linkSRVertices with snk/broacast/RB
Update PiSDF graph creation
Add isEqual/match fct to SRDAGVertex
Add getIxOf in Set
Add getNedges/vertices and getIxOfEdge/Vertex in SRDAGGraph
Add Bipartite graph