Improving Virtual LCD cursor handling and robustness.
Adding support for display information for VLCD. Removing puts_P/write.
Improving IOStream default implementation of puts. Ripple effect on VLCD.
Improving HD44780 performance on I2C IO expander; block IO.
Adding support for USI based TWI master (on ATtiny).
Adding support for LCD on ATtiny.
Adding support for TWI master on ATtiny.
Adding support for TWI master on ATtiny.