A lot of reorganizing has been done on solution printing, and solution hosekeeping.
The PV prototype implementation has been removed.
ExactSolution has been moved from exact_solver to game_tree_utils modules.
A function to transcribe the PV from the PVEnv structure to ExactSolution has been added.
Minor change in endgame_solver.
Changed function name from exact_solution_print to exact_solution_to_string.
Minor changes in game_tree_utils module.
SearchNode structure has been moved from exact_solver to game_tree_utils modules.
The rewriting of pve_print, renamed pve_internals_to_string, is half the way ...