Update Joint limits forthe joint head pan.

src/single_joint_actuator.py

@@ -34,7 +34,7 @@ class SingleJointActuator(hm.HelloNode):
 		# joint_lift:      lower_limit =  0.15,  upper_limit =  1.10  # in meters
 		# wrist_extension: lower_limit =  0.00,  upper_limit =  0.50  # in meters
 		# joint_wrist_yaw: lower_limit = -1.75,  upper_limit =  4.00  # in radians
-		# joint_head_pan:  lower_limit = -2.80,  upper_limit =  2.90  # in radians
+		# joint_head_pan:  lower_limit = -4.10,  upper_limit =  1.60  # in radians
 		# joint_head_tilt: lower_limit = -1.60,  upper_limit =  0.40  # in radians
 		# joint_gripper_finger_left:  lower_limit = -0.35,  upper_limit =  0.165  # in radians
 		#