Support multigraphs
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AlexJF commented
Some applications require handling of graphs with multiple edges between 2 vertices. While this could theoretically be handled through a transformation of the input graph (add one extra vertex per multi-edge connection), it shouldn't be too hard to make Arabesque handle this natively.
Major issue points:
- Embedding canonicality
- Pattern canonicality
- Graph storage changes should not affect performance of singlegraphs.