anchor.diff:  
       %% Null Cells
       ?assertEqual(#tscell{}, encode_cell({varchar, []})),
  +    ?assertEqual(#tscell{}, encode_cell({blob, []})),
       ?assertEqual(#tscell{}, encode_cell({sint64, []})),
       ?assertEqual(#tscell{}, encode_cell({timestamp, []})),
       ?assertEqual(#tscell{}, encode_cell({boolean, []})),
  
positive.code: 
  decode_cell_test() ->
      ?assertEqual([<<"Foo">>], decode_cells([#tscell{varchar_value = <<"Foo">>}],[])),
      ?assertEqual([42],      decode_cells([#tscell{sint64_value = 42}],[])),
      ?assertEqual([64],      decode_cells([#tscell{timestamp_value = 64}],[])),
      ?assertEqual([false],   decode_cells([#tscell{boolean_value = false}],[])),
  
negative.code:     ?assertEqual(
          #tsrow{cells = [
              #tscell{varchar_value = <<"Foo">>},
              #tscell{varchar_value = <<0,1,2,3>>},
              #tscell{sint64_value = 64},
              #tscell{timestamp_value = 42},
              #tscell{boolean_value = false},
  