Avoid file-in-use-by-another-process IO exception.
Merge pull request #17 from bhaeussermann/avoid-file-in-use-exception

Avoid file-in-use-by-another-process IO exception
Made harness UNIX friendly via Leonard Seymore.
Randomly pick the bot that starts first.
Added Release v1.7
Update README.md
Update README.md
Update README.md
Changed random argument. Create initial file for replays.
Changed random argument. Create initial file for replays.
Update README.md
Don’t allow the opponent to be eaten in the respawn zone.
Properly handle the scenario where a player drops a poison pill and eats the opponent’s pill in the same turn.
Merge pull request #20 from bhaeussermann/concurrent-poison-drop-and-die

Properly handle concurrent poison pill drop and dying from the opponent's poison pill
Merge pull request #19 from bhaeussermann/no-eating-in-respawn-zone

Disallow eating the opponent in the respawn zone
Changed symbols to match variable names.
Added release 1.9 binaries
Update README.md