prevent negative balances

Pre-release

Pre-release

rultor released this 05 Feb 12:24

· 1521 commits to master since this release

See #15, release log:

30e0ae2 by @yegor256: #15 prevent negative balances
fdd6e05 by @yegor256: #15 check refactored to throw ...

Released by Rultor 1.67, see build log

Assets 2