v0.6.0 * Increase retries for random walks from 5 to 10 * Refactor Graph class in SwhUnidirectionalGraph and SwhBidirectionalGraph * Use AllowedNodesTest to implement return type filtering * Add graph dataset reading classes (orc+edges) * Remove unused/buggy TopologicalSort * Add support for CoreSWHID/ExtendedSWHID when building naive.Graph