npm install kvsetA set that can be updated using key-value links to indicate causal order.
Intended to be used with hash-link systems, like [secure-scuttlebutt][].
See also [hyperlog][], [kvgraph][]
````
var KVSet = require('kvset')
var set = new KVSet()
Add a value to the set with the given key.
Remove values for the given key(s) from the set.
[hyperlog]: https://github.com/mafintosh/hyperlog
[kvgraph]: https://git-ssb.celehner.com/%25oJnY1QfgTgg%2BQhpa7COv5WGWZLohz74%2B77thqH6tzqU%3D.sha256
[secure-scuttlebutt]: https://git-ssb.celehner.com/%25iljFzUwTYposC7vs2V6AZgObPqwRVNAXjxYVVUoG4tU%3D.sha256