(base_hands.py) Adjust to the DIO assignment change.
(gripper_command.py) add comment and todo
(toolchanger_command.py) Fix to issue #9 (https://github.com/tork-a/rtmros_nextage/issues/9)
Merge pull request #42 from 130s/groovy-devel

DIO related (adjust to new DIO assignment. A bug fix).