netplot 0.2-0

-   The arguments skip.vertex, skip.edges, and skip.arrows now work as
    documented.

-   New function nplot_legend() helps adding legends to the figure.

-   New nplot() method for matrices.

-   New feature: Gradients.

-   The argument sample.edges now works as expected.

-   vertex.color, vertex.size, and vertex.nsides now accepts formulas.

-   edge.width now accepts formulas.

-   New function: locate_vertex().

netplot 0.1-0

-   First CRAN release.
