Use more accurate check of whether the working tree is clean
Use more accurate check of whether the working tree is clean

jpritikin/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,JuKa87/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,JuKa87/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,JuKa87/OpenMx,mhunter1/OpenMx,jpritikin/OpenMx,mhunter1/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,jpritikin/OpenMx