Moved checkers bot core to https://github.com/tleyden/checkers-bot.  This repo contains one implementation of a bot.  Another example implementation: https://github.com/tleyden/checkers-bot-random
fixup main
calc fitness after game finishes.  add new "mode" for running vs training
add a checkerlution training scape
fix compile errors in main
Fix bug where it was crashing again .. avoid recreating the checkerlution structure unnecessarily