dllist w/ MTF euristics test

Signed-off-by: Andrew Tselischev <andrewtselischev@gmail.com>
Add a half-assed implementation of linked list with MTF euristics

bonus: execution time tests and a quine program

Signed-off-by: Andrew Tselischev <andrewtselischev@gmail.com>
exam solution

Signed-off-by: Andrew Tselischev <andrewtselischev@gmail.com>
cleanup

Signed-off-by: Andrew Tselischev <andrewtselischev@gmail.com>
cleanup

Signed-off-by: Andrew Tselischev <andrewtselischev@gmail.com>