rqt_reconfigure resets parameters on startup

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Hi,

I had serious problems with saving and loading parameter while using rqt_reconfigure. To find my problem I broke the code down to the following:

1. Start the node with the dynamic_reconfigure server
2. rosparam set /node_name/myparam 42
3. rosparam get /node_name/myparam (returns 42 and everything works)
4. rosrun rqt_reconfigure rqt_reconfigure
5. rosparam get /node_name/myparam (returns value saved in .cfg file)

I do not know why rqt_reconfigure does that. I also checked out its wiki page and as far as I see it should read the values from the parameter server and not set them back to the default from the .cfg file. I am lost.