###v1.5.1 08/12/2017
- correct negative elevation
###v1.5.0 07/12/2017
- correct GL770 time and elevation
- decoded time is now UTC
###v1.4 07/09/2017
- more robust parser
- add GL770 GPS support
- swift compatible headers
###v1.2 23/12/2015
- adding API documentation in Appledoc format
- correct location course bug (was always 0.0)
- available as a cocoapod too
###v1.1 18/11/2015
- add GPS scan timeout (6 seconds) to save energy
- correct small internal bug
###v1.0 16/07/2014
- initial public release