v0.16.16
Added pair_list HL command; enlarged scope of applicability of sample_lis HL commandt, to not only workspaces but all sample container types: pair, sample_set, workspace, participant; added pair_list HL function and new tests for both [pair,sample]_list; internal HL function __get_entities now paginates by default, to enable more calls to complete robustly; HL tests can now REUSE_SPACE for faster execution during repeated testing