Treat MaxInt as infinity in dot output.
I really need to create to new vertices for demand and supply.
Show flow feasibility in dot output.
Pass source and sink explicitly to bfs and dfs.
Don't include header into maxflowStats.String() output.
Factor out a method that actually does maximization.
Correctly find a feasible flow.
Show only the original network with flow in the dot output.
Function to construct flow graph needed to find R from RI.