Enable kxreus for using model server

[iory]

roslaunch kxreus eusmodel_server.launch

(load "package://kxreus/euslisp/kxr-interface.l")

(kxr-init :namespace nil)

[708yamaguchi]

loop...

2.irteusgl$ (kxr-init :namespace nil)
[ERROR] [1709030304.370361535]: unknown ros::param::get, key=/eusmodel_hash
[ERROR] [1709030304.370567197]: unknown ros::param::get, key=/eus_robot_name
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030304.372841438]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030305.380943728]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030306.389889675]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030307.397676511]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030308.406300142]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030309.414234303]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030310.422000753]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030311.430745600]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030312.439332074]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030313.447073497]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030314.455894335]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030315.464029565]: Waiting model file from server url http://localhost:8000/nil.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/nil.l: No such file or directory
[ INFO] [1709030316.472585019]: Waiting model file from server url http://localhost:8000/nil.l

[708yamaguchi]

2.irteusgl$ (kxr-init :namespace nil)
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030377.801897762]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030378.810710963]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030379.819456490]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030380.828250174]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030381.836008040]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030382.844587149]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030383.853199274]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l
/home/naoya/ros/kxr/src/rcb4/ros/kxreus/models/cache/7c77d2901e8abc2775d0b127523f1576.l: No such file or directory
[ INFO] [1709030384.861848398]: Waiting model file from server url http://192.168.97.212:8000/7c77d2901e8abc2775d0b127523f1576.l

[708yamaguchi]

In radxa

rock@radxa-zero:~/ros/kxr/src/rcb4/ros/kxreus/models$ ls ~/ros/kxr/src/rcb4/ros/kxreus/models/
7c77d2901e8abc2775d0b127523f1576.l

[708yamaguchi]

I fixed minor bug.
#39

This PR works fine.
Thanks!