instapaper's folder to readability tag feather is needed.

[jnhwkim]

instapaper's articles can be organized with Folders.

may it equals to readability's Tag feather, so can it be mapping between two of them?

[chiefy]

Sounds like a good feature, unfortunately I have a new child on the way, plus f/t gig, plus freelance work. Yeah - not a ton of time to improve this, but feel free to fork + pull request. Thanks!