ditsing/ruaft @ ed4bf67bfa27c61ef231c96a7d3dda5b667a87b9

Jing Yang ed4bf67bfa Implement process command thread.		%!s(int64=5) %!d(string=hai) anos
..
src	ed4bf67bfa Implement process command thread.	%!s(int64=4) %!d(string=hai) anos
Cargo.toml	a0be30f158 Move kvraft to its own sub crate.	%!s(int64=4) %!d(string=hai) anos