Changes to be committed:
new file: Graph.cpp
1) Moved the actual declarations of functions from Graph.h into this file
2) Added get_p_edges() which will get all the edges from a specified point p
3) Added add_edge() which adds an edge between two points (start and end)
modified: graph.h
1) Created initial function, constructor, and deconstructor declarations
2) Defined Point structure
3) Defined Edge structure
modified: main.cpp
1) Removed any old code from my last project. I am starting clean on this file.
