Changes in Version 0.1.2
  o Some tweaks to the parametric test
  o New example dataset by Koval et al. (2013)
  o Included permutation test for paired samples
Changes in Version 0.1.1
  o Fixed bug in input checks
  o Changed how groups are provided to the function mlVAR_GC; before with two separate arguments, now we specify a column name with the group variable to make it more consistent with the other arguments
  o Included empirical data of Fried et al. (2022)
  o Added a parametric test for fixed lagged, fixed contemporaneous, and between network parameters