Fix issue with I2c payloads bigger than the de-facto default of 32bits
Fix issue with I2c payloads bigger than the de-facto default of 32bits

I2C_MAX_LENGTH of 32 not really respected by all devices it seems.

stephanmantler/SwiftyGPIO,uraimo/SwiftyGPIO,uraimo/SwiftyGPIO,stephanmantler/SwiftyGPIO