Minor preemptive bugfixes

common/map/region_api.cpp

@@ -80,8 +80,7 @@ static int getDepth(lua_State* L) {
 
 static int load(lua_State* L) {
 	//EMPTY
-	lua_pushboolean(L, false);
-	return 1;
+	return 0;
 }
 
 static int save(lua_State* L) {

common/map/region_pager_lua.hpp

@@ -59,10 +59,10 @@ public:
 protected:
 	lua_State* lua = nullptr;
 
-	int loadRef;
-	int saveRef;
-	int createRef;
-	int unloadRef;
+	int loadRef = LUA_NOREF;
+	int saveRef = LUA_NOREF;
+	int createRef = LUA_NOREF;
+	int unloadRef = LUA_NOREF;
 };
 
 #endif