changed unique_ptr access to using raw pointers to denote non-ownership

added new flag -e for extra stuff (potions/races)
IMPORTANT: main.cc is undergoing rework

src/game.h

@@ -13,19 +13,19 @@
 class game final {
 private:
         feature features;
-        input   ∈
-        display &out;
-        logger  &log;
-        RNG     &rng;
+        input   *in;
+        display *out;
+        logger  *log;
+        RNG     *rng;
 
         // IMPORTANT: during player generation,
         std::unique_ptr<character> player;
 public:
         game(const feature enabled_features,
-             input   &new_in,
-             display &new_out,
-             logger  &new_log,
-             RNG     &new_rng);
+             input   *new_in,
+             display *new_out,
+             logger  *new_log,
+             RNG     *new_rng);
         game_status run();
 private:
         int getcmd() const;