add .so to gitignore
add .so to gitignore

thedrow/samsa,wikimedia/operations-debs-python-pykafka,thedrow/samsa,benauthor/pykafka,wikimedia/operations-debs-python-pykafka,thedrow/samsa,wikimedia/operations-debs-python-pykafka,benauthor/pykafka,benauthor/pykafka