ipfs-api updated

[jbenet]

https://github.com/ipfs/js-ipfs-api has been updated to v2.10.1. There's been a number of important bugfixes, so may want to track (if not update) 😄 cc @diasdavid and @dignifiedquire who've done most of that.

[daviddias]

And very soon, the files API feature set will be merged too ipfs-inactive/js-ipfs-http-client#74 :)