ditsing/ruaft @ c0b0430a263ba59cc9e3fd0e993b20861ea6a7dd

Jing Yang c0b0430a26 Add begin(), end() and clean_up() to kvraft config.		%!s(int64=4) %!d(string=hai) anos
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src	c0b0430a26 Add begin(), end() and clean_up() to kvraft config.	%!s(int64=4) %!d(string=hai) anos
Cargo.toml	dc1844486e Add test persister, test config and make_config() function.	%!s(int64=4) %!d(string=hai) anos