Changes in version 0.0.5                        

  - indiv_spec now returns a dataframe with WIC, TNW and WIC/TNW
    columns. To obtain individual Shannon diversity values, use WIC(net,
    indiv = TRUE).

                        Changes in version 0.0.4                        

  - Add functions to calculate niche width and individual specialisation
    indices.

                        Changes in version 0.0.3                        

  - Horizontal centering of animal names in plot_web_heatmap.

                        Changes in version 0.0.2                        

  - Add functions to remove empty (all zero) rows and columns from a
    matrix, following @elequintero suggestion.