README
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This is a simple toolbox of graphtools, implemented in C.

JSON SYNTAX
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{
    "oriented" = true,

    "nodes": {
        "id1": {},
        "id2": {"color": }
    },

    "edges":[{"start": "id1",
              "stop": "id2",
              "capacity": ...
              "cost": ...
              }, ...]
}