making color and path tracking class member variables
fixing up some broken code b/c of the renames; +unit test file
adding method to get number of vertices in graph
using the new get number of vertices method from the graph
adding method to get the neighbors of a vertice; +tests
updating to call new get neighbor vertices method
adding properties to expose the color and path tracking; +unit tests for data initialization
+comment
adding find path method and unit tests
bug fixing; adding large graph test
adding pre-order and in-order traversal methods; +unit tests
tightening up the code
+new proj
adding remove dupes method; +tests