Dart implementation of Hexagonal geo-coding system (GeoHex.org) encoding.
- Initial version.
- Precision clamping
- Added some tests
- Renamed clamp to clampPrecision
- Internal code minificatication
- Improved test coverage
- Separated unit test and geohex.net testcases
- Fixed potential crash in adjustXY method
- merged back geohex_net test file into geohex_test
- added more tests