Added a warning about incorrect uses of operator[] on Row objects to the operator[] Doxygen comment.
Added a warning about incorrect uses of operator[] on Row objects to the
operator[] Doxygen comment.


git-svn-id: 1a57124bbb9aca193a920d0ffd753d488afb922b@697 5946f024-35f4-0310-b1b3-9a3be3380cfb

veprbl/mysqlpp,veprbl/mysqlpp,veprbl/mysqlpp