This release coincides with the second version of the paper on this software package:
Dembia C, Moore JK and Hubbard M. An object oriented implementation of the Yeadon human inertia model [v1; ref status: indexed, http://f1000r.es/4cr] F1000Research 2014, 3:223 (doi: 10.12688/f1000research.5292.1)
**Full Changelog**: https://github.com/chrisdembia/yeadon/compare/v1.2.0...v1.2.1