git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g' goimports -w `find . -name \*.go`
--max-backlog controls the queue length. Add statistics for the check/upload/rename queues. This means that checking can complete before the uploads which will give rclone the ability to show exactly what is outstanding.