GS may end up compatible with both 1.08 and 1.09 anyway. We'll see.
edit: I just finished the pathfinding option that find alternate paths. It wasn't too hard to pull off and the results are pretty good so far. It just keeps a persistent cost for each node which I add 1.0 to when it's used in a path. Every time I finish pathfinding I have to reset costs for all nodes anyway, so I just subtract 0.1 from every node's persistent cost. The pathfinding avoids paths with a higher cost. If I add more than 1.0, it will take longer for that node's cost to go down so it will produce more alternative paths. I still have the pathfinding option that picks the best path.
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