2011-10-06: 1.0.0 (10a24e1)
- Initial version

2012-02-15: 1.1.0 (a597a08)
- Add support for tick types

2013-01-21: 2.0.0 (151e9a9)
- Support for Protocol 2.0

2013-05-15: 2.0.1 (7c8cc1f)
- Don't send threshold callback twice

2015-08-13: 2.0.2 (d03ee16)
- Fix value range for threshold configuration