anchor.diff:  	{ok, Code, Header, _Content} = send_authed_query(State, "/" ++ Container, head),
   	
   	case list_to_integer(Code) of
  -		204 -> [{"Object-Count", get_header("X-Container-Object-Count", Header)},
  -				{"Bytes-Used", get_header("X-Container-Bytes-Used", Header)} | extract_metadata_headers("X-Container-Meta-", Header)];
  +		204 -> {ok, [{"Object-Count", get_header("X-Container-Object-Count", Header)},
  +				{"Bytes-Used", get_header("X-Container-Bytes-Used", Header)} | extract_metadata_headers("X-Container-Meta-", Header)]};
   		404 -> {error, does_not_exist};
   		_ -> error
   	end.
  
positive.code: 	
  	case list_to_integer(Code) of
  		Val when (Val =:= 201) or (Val =:= 202) ->
  			[{ssl_url, get_header("X-Cdn-Ssl-Uri", Header)},
  			 {url, get_header("X-Cdn-Uri", Header)},
  			 {streaming_url, get_header("X-Cdn-Streaming-Uri", Header)}];
  		_ -> {error, Content}
  	end.
  
  
negative.code: 	
  	case list_to_integer(Code) of
  		Val when (Val =:= 201) or (Val =:= 202) ->
  			{ok, [{ssl_url, get_header("X-Cdn-Ssl-Uri", Header)},
  			 {url, get_header("X-Cdn-Uri", Header)},
  			 {streaming_url, get_header("X-Cdn-Streaming-Uri", Header)}]};
  		_ -> {error, Content}
  	end.
  
  