new method for ranking and coloring the centrality
fix bug in centrality for used
first release of dfs algo
seems the right way
seems to work, need refactoring
bfs ok but ugly
testing exception for loop in digraph
command for hidden coupling
find hidden seems ok
fixing bugs in edge collector and method call filter
cleaning
fixing a bug when typed param is an outer class/interface
abstracting the two centrality command
adding documentation
phpdoc
dry for test
generating reduced graph for hidden coupling
simpler, faster and cooler
abstracting rendering of graphviz
adding spaghetti coupling feature