Added basic documentation.
Added basic documentation.


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