4.64.0 (2026-04-28)

Bug Fixes

• removing usecache option (wasn't used in the end) (f1ac0bd)
• simplifying mv_castabload and improving tests (36452a2)

Features

• adding tests, adding param to mfv_existsashdat, updating README (d0a5780)
• castabload macro (08f2d0d)
• mv_castabsave macro and tests (7ef58a0)
• new mfv_getcaslib macro (73fd85d)