Adding linkedlist implementation.
Adding the github gitignore for Node
Adding 8.1 soln. Incomplete, since it's not getting the last values...
eek.
Decided to use to pre-implemented data structures because time constraints
Some merge from github. Idk
Made a recursive version. Works *awesome* now but the printing breaks
because this is technically a doubly linked list.
Added a brute force solution to number 4
A brute force for 5, but it doesn't net the answer. Or at least it takes too long to get it for 20