Add rpc apis: admin, debug. Add uvloop support.

v0.2.1

Update README

Major docs update. Added tests for project.

Starting from 0.2.0 enabled tests and docs support;
_rpc intermal method marked as deprecated and will be removed in 0.3.0 release;

Add sphinx docs

v0.1.1

Update README

Add aioethereum client

v0.1.0

Some fix of typos