zzzZZZzzz
working first draft
possible success for dfs
rename to binary tree node
implement breadth first search
refactor dfs one liner
begin branching tree node class
implement dfs for branching tree
progress...
finish bfs implementation
progress
allow dfs to accept block
ziiing
working knights travail
add find_path to knights
refactor tictactoe with tree madness
zing
first stab at tic tac toe