ox-arrays - Nested, compositional struct-of-arrays orthotope arrays

	Commit message (Expand)	Author	Age
*	Merge both Lemmas modules	Mikolaj Konarski	20 hours
*	Move modules Permutation and Types	Mikolaj Konarski	21 hours
*	Generalize some shape conversion functions	Mikolaj Konarski	31 hours
*	Shape/index function rename	Tom Smeding	33 hours
*	Flip arguments of mcastToShaped for consistency	Tom Smeding	44 hours
*	Convert: Export list; simplify some functions with castCastable	Tom Smeding	44 hours
*	Move casts to DAN.Convert; split Ranked/Shaped types into .Base	Tom Smeding	45 hours
*	Make mcast available in Castable	Tom Smeding	45 hours
*	mcastSafe was unsound; it's now gone	Tom Smeding	45 hours
*	Move Arith, XArray and Convert	Mikolaj Konarski	3 days
*	Clearer module purposes	Tom Smeding	2024-05-30
*	Refactor Nested (modules, function names)	Tom Smeding	2024-05-30