improvements to the pixel ping-ing load script. Don't record file: urls, and strip trailing slashes.
improvements to the pixel ping-ing load script. Don't record file: urls, and strip trailing slashes.

dannguyen/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,dannguyen/documentcloud,roberttdev/dactyl,gunjanmodi/documentcloud,monofox/documentcloud,dannguyen/documentcloud,ivarvong/documentcloud,documentcloud/documentcloud,roberttdev/dactyl4,roberttdev/dactyl4,documentcloud/documentcloud,ivarvong/documentcloud,gunjanmodi/documentcloud,ivarvong/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,monofox/documentcloud,moodpo/documentcloud,dannguyen/documentcloud,gunjanmodi/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,documentcloud/documentcloud,roberttdev/dactyl,ivarvong/documentcloud,moodpo/documentcloud,documentcloud/documentcloud,roberttdev/dactyl,roberttdev/dactyl4,gunjanmodi/documentcloud,moodpo/documentcloud,monofox/documentcloud,monofox/documentcloud,roberttdev/dactyl4,moodpo/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud