Changes in version 0.99.0                        

  - Kinship2 is renamed to Pedixplorer and hosted on Bioconductor.
  - Pedigree is now a S4 object, all functions are updated to work with
    the new class
  - Pedigree constructor now takes a data.frame as input for the
    Pedigree informations and for the special relationship. The two
    data.fram are normalized before being used.
  - plot.pedigree support ggplot generation, mark and label can be added
    to the plot. The plot is now generated in two steps ped_to_plotdf()
    and plot_fromdf(). This allows the user to modify the plot before it
    is generated.
  - All documentation are now generated with Roxygen
  - New function available: generate_aff_inds, generate_colors,
    is_informative, min_dist_inf, normData, num_child, useful_inds
  - All functions renamed to follow the snake_case convention
  - All parameters renamed to follow the snake_case convention
  - All test now use testthat files
  - Vignettes have been updated to reflect the new changes