ENH: Add base version of downstream.py
ENH: Add base version of downstream.py

ElDeveloper/basespace-qiime,biocore/basespace-qiime,biocore/basespace-qiime,ElDeveloper/basespace-qiime,ElDeveloper/basespace-qiime,biocore/basespace-qiime,biocore/basespace-qiime,ElDeveloper/basespace-qiime