Added test for alternate plugParameter signature
Added test for alternate plugParameter signature

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