Updated ggpubr version dependency. Closes #6

Author: AnotherSamWilson

DESCRIPTION

@@ -10,7 +10,7 @@ Description: Fast, flexible framework for implementing Bayesian optimization of
 URL: https://github.com/AnotherSamWilson/ParBayesianOptimization
 BugReports: https://github.com/AnotherSamWilson/ParBayesianOptimization/issues
 Depends: R (>= 3.4)
-Imports: data.table (>= 1.11.8), DiceKriging, stats, foreach, dbscan, lhs, plotly, crayon, ggplot2, ggpubr
+Imports: data.table (>= 1.11.8), DiceKriging, stats, foreach, dbscan, lhs, plotly, crayon, ggplot2, ggpubr (>= 0.2.4)
 Suggests: knitr, rmarkdown, xgboost, doParallel, testthat
 License: GPL-2
 Encoding: UTF-8