Do we have any plans to add members APIs?

[pankit]

I was interested in adding the members to a running cluster using using the library. Do, we have any plans to do so? https://coreos.com/etcd/docs/latest/v2/members_api.html#add-a-member

[socketpair]

#219

[lavagetto]

I am not working on this as I honestly think etcdctl is enough for such actions, but if the current PR gets amended, I'm happy to merge it.

[lavagetto]

Duplicate of #218