fatal: Could not parse object 'b43c055974d7f03a0b1c2d236c33c15b9bdbca85'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at b43c055 Actuating only the achilles tendons of MountainGoat, and learning parameters for pid and impedance controllers.
b43c055974d7f03a0b1c2d236c33c15b9bdbca85