modeltodo module

Created on Wed Feb 19 08:43:25 2020

@author: bruger

allow tansposed lists to be inputted Tlist a_list:

a a_1 a_1 = a b c r r y $

makes list with many elements easier to read in editor

revise pattern to be a class

try out plotly

implement cython again

let attribution calculate on growth in addition to level

For attribution allow a cutoff level for showing sub branches.