changed not_implemented to a function

src/ggs_player.erl

@@ -12,21 +12,25 @@
 %% an argument for storage and later usage. Creates a unique player token
 %% identifying the player.
 %% @spec start_link(Socket::socket()) -> ok
-start_link(Socket) -> not_implemented.
+start_link(Socket) ->
+    not_implemented().
 
 
 %% @doc Handles incoming messages from the GGS and forwards them through the player
 %% socket to the player.
 %% @spec notify(Player::Pid(), From::Pid(), 
 %%              {Command::String(), Message::string()}) -> ok
-notify(Player, From, Message) -> not_implemented.
+notify(Player, From, Message) ->
+    not_implemented().
 
 %% @doc Get the player token uniquely representing the player.
 %% @spec get_token() -> string()
-get_token() -> not_implemented.
+get_token() ->
+    not_implemented().
 
 
 %% @doc Properly terminates the player process. The player token will be destroyed. 
 %% Makes table token unreferenced and destroys the process in the end.
 %% @spec stop(Table::pid()) -> Reason::string()
-stop(Table) -> not_implemented.
+stop(Table) ->
+    not_implemented().