Transform a [strataG gtypes](https://github.com/EricArcher/strataG) object from to a tidy dataframe. Used internally in radiator and might be of interest for users.
tidy_gtypes(data)Archer FI, Adams PE, Schneiders BB. strataG: An r package for manipulating, summarizing and analysing population genetic data. Molecular Ecology Resources. 2017; 17: 5-11. doi:10.1111/1755-0998.12559