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/curses_input.h

@@ -8,9 +8,9 @@
 
 class curses_input final: public input {
 private:
-        cursor &curse;
+        cursor *curse;
 public:
-        curses_input(cursor &new_curse);
+        curses_input(cursor *new_curse);
         game_command get_command() override;
 };