Respond to version requests

main.cpp

@@ -21,6 +21,10 @@ int main(int argc, char* argv[])
     {
         Player::showdown(game_state);
     }
+    else if(action == "version")
+    {
+        cout << Player::VERSION;
+    }
 
     return 0;
 }

player.cpp

@@ -1,5 +1,7 @@
 #include "player.h"
 
+const char* Player::VERSION = "Default c++ folding player";
+
 int Player::betRequest(json::Value game_state)
 {
     return 0;

player.h

@@ -1,9 +1,17 @@
+#ifndef PLAYER_H
+#define PLAYER_H
+
 #include "json.h"
 
+
 class Player
 {
     public:
+        static const char* VERSION;
+
         static int betRequest(json::Value game_state);
 
         static void showdown(json::Value game_state);
 };
+
+#endif