cesar/ledger-prototype @ end-to-end

Cesar Rodas cdfc02c81a Improved negative balance		hai 4 meses
..
docs	c26f2d560c Introduced a rev-id	hai 7 meses
src	cdfc02c81a Improved negative balance	hai 4 meses
tests	cdfc02c81a Improved negative balance	hai 4 meses
Cargo.toml	ac164a49e4 Add tests	hai 4 meses
main.rs	14e39a31d9 Made process() sync and use RwLock (from parking_lot) instead of a Mutex	hai 6 meses