The Exchange Year in the Past

Sequel to The Experiments of Tom Marvolo Riddle. After being sent into the past with his new friend, Tom Riddle, Harry decides to accept his offer of going to Hogwarts for a year before going back to the future. However in this time there are many problems at Hogwarts, a lot of them caused by his only true friend. Will Harry be able to deal with just one year in Tom Riddle's time?