Fix bug in i2c device read method always sending NACK even if more read() calls to come.
Fix bug in i2c device read method always sending NACK even if more read() calls to come.

jfpoilpret/fast-arduino-lib,jfpoilpret/fast-arduino-lib,jfpoilpret/fast-arduino-lib,jfpoilpret/fast-arduino-lib