Do not assume a 32-bit architecture
Do not assume a 32-bit architecture

Instead of using char/short/int/long, use the types inside stdint.h to
get specific length types. This allows using the library on
architectures with non-standard integer sizes, such as AVR.

mcci-catena/arduino-lmic,mcci-catena/arduino-lmic,mcci-catena/arduino-lmic