Fixed a bug with the scene cache reader where it wouldn't update correctly when wrapped by a python node.
Fixed a bug with the scene cache reader where it wouldn't update correctly when wrapped by a python node.

appleseedhq/cortex,goddardl/cortex,hradec/cortex,appleseedhq/cortex,hradec/cortex,hradec/cortex,goddardl/cortex,appleseedhq/cortex,lento/cortex,goddardl/cortex,lento/cortex,lento/cortex