added two example programs plus gitignore file
-rw-r--r-- 7 .gitignore
-rw-r--r-- 4073 build_hpwp_dataset.py
-rw-r--r-- 370 hpwp-minor.py
-rw-r--r-- 695 hwpw-trend.py

Benjamin Mako Hill || Want to submit a patch?