consolidated link code drafted
progress on compiling test_graph
new link compiles
test_graph compiles but segfaults
no more segfault
port construction tests pass
port tests pass
node construction compiles
writing graph tests
writing more graph tests
graph tests pass
reorganized test cases
writing node add_remove tests
node add_remove compiles, doesn't pass
node add_remove passes
node move_destruct segfaults
all graph tests pass
graph tests pass, cleaned test directory