Chat strings are now sanitized.

* Only plain, printable ASCII is allowed for now.
* Local chat is now printed to the server console, but group chat is
still private
* Added a helper function to print character names and IDs

src/PlayerManager.hpp

@@ -64,6 +64,7 @@ namespace PlayerManager {
     void exitPlayerVehicle(CNSocket* sock, CNPacketData* data);
 
     Player *getPlayer(CNSocket* key);
+    std::string getPlayerName(Player *plr, bool id=true);
     WarpLocation getRespawnPoint(Player *plr);
 
     bool isAccountInUse(int accountId);