Revision history for BioX-Tax-Kraken 0.002001 2026-11-01 Store children during load: slightly slower load but orders-of-magntiude faster children() 0.002 2026-10-30 Remove is_ancestor() as the argument order seems too easy to mix up a_isa_b() now returns true if the two inputs IDs are identical 0.001003 2026-10-14 Fix POD formatting 0.001002 2026-10-14 Add a_isa_b() alias for is_ancestor() 0.001001 2026-10-02 Fix some test issues on older perls 0.001 2026-10-02 Initial release