CHANGES IN VERSION 1.5.1
-------------------------

NEW FEATURES

    o add function add_hybrid_minor and add Joshua to the author list


CHANGES IN VERSION 0.99
-------------------------

NEW FEATURES

    o initial release. The main functions are ggsplitnet and ggevonet to
    visualize split (or implicit) networks (unrooted, undirected) and explicit
    networks (rooted, directed) with reticulations.