2019-05-20: 2.0.0 (89c62b1)
- Initial version

2019-05-29: 2.0.1 (ce5fced)
- Fix SPITFP IRQ race condition with other higher prio IRQs (through bricklib2)

2019-10-28: 2.0.2 (8d48192)
- Fix remaining beep duration calculation