updating .gitignore
updating .gitignore


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Former-commit-id: f8cb80ca29cc31ef5c0459e70f97115838ed3091
Former-commit-id: 3347eb7eec85aea4acc254bb31c2663462dcebb1
Former-commit-id: e144cd3a817f2edacc209c4df6610d8d0c37f7e2 [formerly 96c7aefd4df40ed2e2e3a48297188618e1c3adc5]
Former-commit-id: abe74283efcd67b99721ba069f8bf44c9154d4cf
travs/PyOpenWorm,openworm/PyOpenWorm,openworm/PyOpenWorm,gsarma/PyOpenWorm,hnunner/PyOpenWorm,kaustubhcs/PyOpenWorm,gsarma/PyOpenWorm