Calculates systematic uncertainty for the data in https://www.phenix.bnl.gov/phenix/WWW/info/data/ppg146/
Saves the modified data files to data/ directory
Creates nice readable tables in the data_org/ directory
python -W ignore scrape.py downloads the data files from the server
python reform.py collects the data together with each centrality in the same file, and also formats data as tables