Redis 4 Support

[mstaack]

Whats the status of using latest redis 4 with this proxy?

Cheers Max

[doyoubi]

The only two ways that corvus interacts with redis are CLUSTER NODES and other data manipulating commands. Redis 4 changed its CLUSTER NODES format but after merging #124 corvus should be able to be compatible with redis 4. I've done some minor tests but we have NOT fully tested redis 4 in our production environment and new commands introduced in 3.2 and 4.0 are not supported yet for the current corvus.
We will fix the CI test and merge #124 in the comming Monday.

[mstaack]

@doyoubi thx! will give a try soon