Improved 'display::hd44780'
Fixed 'hd44780::scrollRightLine'
Added 'hd44780::getTypingDelay'
Beginning work on 'i2c'
Changed error messages
Added 'i2c' methods
Added casting to uint16_t
Merge branch 'adding-i2c' into Rpi-hw-v0.7.0
Added support for MCP23S17
Added some methods to 'driver::spi'
Added 8-bit I/O expanders and fixed a bug
Fixed some descriptions
Merge branch 'develop'