cache sound strengths for every update
fcurve cache for copy location node
cleanup
cleanup
little speedup for replicate node
Revert "little speedup for replicate node"

This reverts commit 82ea937547fb49e6856d4f9aaacff7d1e53965b4.
another replicator speedup
Revert "another replicator speedup"

This reverts commit d2e55aabe7c4882ac3d110b599574d3bc2625fa4.