fixing #3302: match record type and value as well during deletion, if specified

git-svn-id: https://gnunet.org/svn/gnunet@33260 140774ce-b5e7-0310-ab8b-a85725594a96
warning fix


git-svn-id: https://gnunet.org/svn/gnunet@33261 140774ce-b5e7-0310-ab8b-a85725594a96
Handling the correct return type from find_successor() in get,put,get_result functions. 


git-svn-id: https://gnunet.org/svn/gnunet@33262 140774ce-b5e7-0310-ab8b-a85725594a96
fix


git-svn-id: https://gnunet.org/svn/gnunet@33263 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen

git-svn-id: https://gnunet.org/svn/gnunet@33264 140774ce-b5e7-0310-ab8b-a85725594a96