Path finding
Note: Path finding that requires a reverse will return with a different message type and path execution will not occur.
Test from terminal using pa <train nr> <node number> <offset>
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Will send switch commands to all switches along the found path using SwitchPath client.
Note: If we want resulting path to be more compact, can make array of characters since 0 <= node IDs <= 143.
Edited by Sophia Theresa Pietsch