File still uses old string keys, not Key objects.

[defuse]

The File class should only accept keys by way of Key.

[paragonie-scott]

PR incoming soon :)

[paragonie-scott]

I ended up folding this into #129 via paragonie@3017bf5

[defuse]

Feel free to add the review-needed label to the ticket once there's a PR open, btw. It's awesome to look at the ticket list and see all of the things that are about to be finished :)

[defuse]

It'll also motivate me to review the PR.

[defuse]

This is done