- Replaced dependency on 'geepack' with 'gee'
- Algebra for simulation of sites following diffusion model of spillover.
- Power and sample size calculations allowing for diffusion model of spillover.
- Changed terminology from 'contamination' to 'spillover' throughout.
- Modified algorithm for simulation of trials to reduce edge effects.
- Added computation of coefficient of variation.
- Added power calculations based on coefficients of variation.
- Initial CRAN submission.