Code cleanup.
Make loader happy.
Fixed listen.
Fixed CashAcceptor.
Made CashAcceptor more robust and less CPU-hungry.
Better error reporting.
Fixed default.
Do not delete banknotes hash.
Better reporting.
Warn about slow commands.
Fixed typo.
Cleaned up interfaces, implemented ESC/POS printer driver.
Poll validator more frequently.
Added print_text method to printer client.
Implemented watchdog and connection monitor.
Require cmux >= 0.0.2 to eliminate locking issues. Fucking GIL.
Set config in watchdog_daemon driver.
Oops, broken gemspec.
Smartware 0.2.