added upload option
added conf
added spi driver
started with gpio python binding
added python class for spi
added soft spi for mc
fixed warnings+added soft spi
added avr interface
added test for spi driver
removed spi lib dep.
added upload option
depends on spi driver
fixed channel selection
rem. debug code
moved set_motor
fixed output error
using interrupt now manually
fixed ports
moved avrinterface to seperate file
minor fixes