2014-07-17-12.33.03: Added src/lib/src/tuplebasex.pkg
2014-07-17-13.10.09: src/lib/src/: Added graph.api, graph.pkg.
2014-07-18-00.56.55: src/lib/src/: Renamed graph.api -> digraph.api, graph.pkg -> digraph.pkg because that is what they in fact are.
2014-07-18-00.57.13: src/lib/src/: Renamed graph.api -> digraph.api, graph.pkg -> digraph.pkg because that is what they in fact are.
2014-07-18-02.04.57: Added src/lib/src/red-black-setxy-g.pkg, src/lib/src/digraphxy.pkg.
2014-07-18-10.07.35: Testing...
2014-07-18-10.09.40: Testing...