updating .gitignore
updating .gitignore


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Former-commit-id: 28e0f4e8c525bd9714fa6f38475e84153c09bbc1
Former-commit-id: 587235d786c3410547ab08cd9917f549e0c05b5a [formerly 3fe868db32ac88ba52457e48253e0a108b2f878a]
Former-commit-id: 35a213a13dd1bd25fe83a36f78ce6cb63c7a3da9
openworm/PyOpenWorm,travs/PyOpenWorm,gsarma/PyOpenWorm,gsarma/PyOpenWorm,kaustubhcs/PyOpenWorm,openworm/PyOpenWorm,hnunner/PyOpenWorm