No function ban?

[jasonrojas]

Per the code listed: https://github.com/nw/varnish/blob/master/lib/admin.js#L552-L563
I don't see any functional code for banning in varnish. I know this is an older project but are there any plans for this? If not I will gladly submit a merge request.
-Jason

[nw]

issue a pull request and I'll merge