Initial commit of list ADT
Added a node class for other ADTs to use
Fixed some compile time errors that were caused by forgetting template arguments for node types
Fixed list test and it works fine now #9
Added additional test but it is incomplete, needs additional functionality in the list ADT API
Added const to methods that should have it
Fixed implementation of list
Merge pull request #11 from kkawakam/listADT

Completed Implementation of List ADT