This looks like a very useful gem, I wish I found it a week ago! I ended up using filepicker.io, and am quite happy with that now. But this gem could be good f

This looks like a very useful gem, I wish I found it a week ago! I ended up using filepicker.io, and am quite happy with that now. But this gem could be good for people that don't want to rely on a third-party (although I still recommend trying filepicker.io)