Bug Fixes and Google Maps API

ggvoronoi 0.8.1 was released on CRAN this October. The update fixed a bug when mapping discrete values to the fill colors of Voronoi diagrams. Additionally, the vignette now makes no direct calls to the Google Maps API, and the map used in the demonstration is included in the data directory of the package.

Looking forward to the next release, further refinements will occur in the vignette and test cases will be added using package 'testthat'. Further in the future, a function will be added that allows the user to download the borders of geographic regions to use as the outline of the Voronoi diagram.