Fixing public/private methods.

We don't want everything public.

session.h

@@ -14,6 +14,10 @@ class Session;
 
 #define MAX_BUFFER 256
 
+#include <functional>
+
+typedef std::function<void(const std::string &)> StringFunc;
+
 /*
 The Session:
 
@@ -24,10 +28,16 @@ public:
   Session(boost::asio::ip::tcp::socket socket,
           boost::asio::io_service &io_service, std::string hostname,
           std::string port);
-  void start(void);
 
   ~Session();
 
+  void start(void);
+
+  const std::string &get_prompt(void);
+  void to_client(const std::string &message);
+  void to_server(const std::string &message);
+
+private:
   void parse_auth(void);
   void on_connect(const boost::system::error_code error);
 
@@ -37,16 +47,12 @@ public:
   void client_read(void);
 
   void client_input(const std::string &input);
-  void to_client(const std::string &message);
-  void to_server(const std::string &message);
 
   void on_shutdown(boost::system::error_code ec);
 
   void dispatch_line(std::string line);
   void process_lines(std::string &received);
 
-  const std::string & get_prompt(void);
-
 private:
   void set_timer(void);
   void reset_timer(void);
@@ -91,7 +97,7 @@ private:
   boost::asio::high_resolution_timer timer_;
   /**
    * Keep connection alive, don't timeout.
-   * 
+   *
    * This gets set by to_server config[keepalive], and sends a
    * space ' ' if we haven't sent anything to the server in that
    * many seconds.
@@ -140,7 +146,7 @@ private:
   std::string host;
   std::string port;
   char game = 0;
-  
+
   /**
    * Are we connected to the server?
    *