Close client connection to DHT once GET is succeeded or failed.


git-svn-id: https://gnunet.org/svn/gnunet@33961 140774ce-b5e7-0310-ab8b-a85725594a96
Add DEBUG to GET requests.  Add replication degree as an option.


git-svn-id: https://gnunet.org/svn/gnunet@33962 140774ce-b5e7-0310-ab8b-a85725594a96