result.plot_with_corner fails if the source function does not contain **kwargs

This is due to the method just throwing in all the kwargs from result in there. There is probably a neater way to implement this.

added Bug label

Does this mean plot_with_data?

mentioned in merge request !225 (merged)

This is for the plot_with_data function

closed via merge request !225 (merged)

mentioned in commit 3d863326