cf9f022d39
[pybullet] updated pybullet_quickstartguide.pdf Fail clearly (assert, return BT_INFINITY) if link index is out of range for btMultiBody methods localPosToWorld,worldPosToLocal,localDirToWorld,worldDirToLocal. pybullet getConstraintInfo Fix warnings due to Mac OSX 10.12 upgrade (with backward compatibility)