Results 6 issues of CIH

Hi @valyala fastrpc's performace looks impressive, looking at gorpc's performance, it seems fastrpc is 10x faster than gorpc, Am I right?

box.session.push() in 1.10 impements a new iproto command, IPROTO_PUSH. Please add support for it.

It seems h2 has not supported http/2 push, yet (https://github.com/carllerche/h2/issues/185).

C-feature
d-hard

Rust's ecosystem is growing very fast and it's async model is suitable for large multi-data center applications. So, Pilosa should have a Rust client.

It seems the HttpConext has changed its API and Event Source transport does not work well.