Added support for DoubleParameter types
Added support for DoubleParameter types

danieldresser/cortex,hradec/cortex,appleseedhq/cortex,danieldresser/cortex,lento/cortex,lento/cortex,danieldresser/cortex,davidsminor/cortex,goddardl/cortex,goddardl/cortex,goddardl/cortex,lento/cortex,davidsminor/cortex,danieldresser/cortex,appleseedhq/cortex,davidsminor/cortex,hradec/cortex,appleseedhq/cortex,davidsminor/cortex,hradec/cortex