Feature request list.files

[jjesusfilho]

I think it would handy to have a function to list.files before using scp_download, as most of the time we want to check file paths before downloading them. I have created a function for my own use, which works pretty well but it is not flawless:

https://gist.github.com/jjesusfilho/083e1adabe261cd992accc65b5c855b1