Suggestion of new features

[loganylchen]

Hi there,

I used your package to review some publication work. It is really a fantastic work. May I suggest some new features about the plotting part.

The genes in the heatmap for each gene set could be set to be clustered and samples could clustered as the .cls phenotypes.

Best wishes

[zqfang]

Thanks, go ahead for your ideas! You could alway get a much pretty heatmap using seaborn.clustermap or seaborn.heatmap. That's why I only implement a basic heatmap here