Graphs v1.11.2 Diff since v1.11.1 Merged pull requests: Fix bfs iterator for multiple source nodes (#382) (@Tortar) Bump version to 1.11.2 (#388) (@gdalle) Closed issues: [OPTIM] perm_greedy_color (and thus all coloring algorithms) is running in O(n^2) instead of O(n) (#378) [FR] Construct a graph corresponding to a binary relation (#384) [FR] a function to efficiently check whether a graph is acyclic (#385)