adds main block to test_bin.py
adds main block to test_bin.py

bretthandrews/marvin,bretthandrews/marvin,albireox/marvin,albireox/marvin,sdss/marvin,bretthandrews/marvin,sdss/marvin,albireox/marvin,bretthandrews/marvin,sdss/marvin,albireox/marvin,sdss/marvin