evamTools should give bubble plots for all models and for the true model

[rdiaz02]

As it says, bubble plots as in Moen & Johnston, HyperHMM: efficient inference of evolutionary and progressive dynamics on hypercubic transition graphs, https://academic.oup.com/bioinformatics/article/39/1/btac803/6895098 , Fig.2, 3, o 4, left column