Add coverage to .gitignore
Add coverage to .gitignore

chi-squirrels-2015/Yoon-Overflow,chi-squirrels-2015/Yoon-Overflow,thejdavid/Yoon-Overflow,thejdavid/Yoon-Overflow,chi-squirrels-2015/Yoon-Overflow,thejdavid/Yoon-Overflow