fatal: Could not parse object 'c2061bc94d47ef0189334852f798a9d88c3e9e82'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at c2061bc Make publications a seperate section of readme
c2061bc94d47ef0189334852f798a9d88c3e9e82