* [LIST_EXT,NEW] Added random_select/3 and random_sublist/3 for creating sublists in a random fashion; typically used in running evaluations under simulated noise.
* [ORDSET_EXT,FIX] Fixes calculation of number of pairs based on set.
* [RDF_SERIAL_CONV,SC] Gather all RDF serialization formats instead of hard-coding them.
* [SET_THEORY,NEW] Added random_subset/3, similar to random_sublist/3.
* [TYPECHECK,NEW] Added is_between/3 with floating point parameters.
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