currently gibbs_sampler calculates the mixing proportions from the full draw ( aka contingency table aka full results). this could be moved out into another function, making the code more modular and easier to test.
This function should only save the envcounts, the env assignments, and the taxon sequence. We can re-create the contingency tables from the latter two outside of gibbs
currently
gibbs_sampler
calculates the mixing proportions from the full draw ( aka contingency table aka full results). this could be moved out into another function, making the code more modular and easier to test.