new commented version

python/src/alpha_diversity.py

python/src/explainer.py

python/src/manocca.py

python/src/simulation.py

python/src/tools/build_graph.py

python/src/tools/compute_manova - Copy.py

python/src/tools/compute_manova.py

python/src/tools/diversity_metrics.py

python/src/tools/preprocessing_tools.py

python/src/univariate.py