0000000000000000000000000000000000000000 4f13d78baea3870b51854064c7e5bd2b7522ed9c Jennifer Bi <jb3495@columbia.edu> 1557876491 -0400	pull: storing head
4f13d78baea3870b51854064c7e5bd2b7522ed9c 223e39ba2f0be902bea8d12f476043a9da164206 Jennifer Bi <jb3495@columbia.edu> 1557928293 -0400	pull: fast-forward
