[#59] Rename YDB_BUFFER_IS_IDENTICAL to YDB_BUFFER_IS_SAME
[#59] Rename YDB_BUFFER_IS_IDENTICAL to YDB_BUFFER_IS_SAME

nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest