logic: Follow symbolic links to directoris within source paths

* Follow symbolic links to files and references by default now
* Fixed crash on self-referencing symbolic links

bug id = 205

bin/app/data/src/tictactoe/io.cpp

@@ -1,23 +0,0 @@
-#include "io.h"
-
- #include <iostream>
- #include <sstream>
- #include <string>
-
-int io::numberIn() {
-	 std::string input;
-	 getline( std::cin, input );
-	 std::stringstream stream( input );
-
-	int number;
-	 stream >> number;
-	return number;
-}
-
-void io::numberOut(int num) {
-	 std::cout << num;
-}
-
-void io::stringOut(const char* str) {
-	 std::cout << str;
-}