Update Ring Interfaces for 0.16 #22
Description
What is the problem you want to solve?
Most crates using Ring these days pin the 0.16 versions. As a result, any crates using sio and ring (like those doing S3 request signing with ring) cannot compile due to version conflicts. A bunch of the upstream interfaces have changed, so its non-trivial to port-forward for casual users of the library.
How do you want to solve it?
It would be great if sio used the current-stable revision of ring