Adds backscraper for cadc.
Adds backscraper for cadc.

freelawproject/juriscraper,m4h7/juriscraper,freelawproject/juriscraper,Andr3iC/juriscraper,m4h7/juriscraper,Andr3iC/juriscraper,brianwc/juriscraper,brianwc/juriscraper