bad_alloc handling

+ map.insert() replace map.operator[] for init, more efficient

srcs/main.cpp

@@ -44,7 +44,7 @@ int	main(int ac, char **av)
 	}
 	catch (std::exception& e)
 	{
-		std::cout << e.what() << '\n';
+		std::cerr << e.what() << '\n';
 	}
 	
 	return (0);