Add mods: technic, moreores, paintings, Nyancat (Pbj_pup). Small fix: sandwiches

mods/technic_plus_beta/technic/max_lag.lua

@@ -0,0 +1,23 @@
+
+local multiplier = technic.config:get_int("max_lag_reduction_multiplier")
+
+local last_step = minetest.get_us_time()
+
+local max_lag = 0
+
+minetest.register_globalstep(function()
+	-- Calculate own dtime as a workaround to 2 second limit
+	local now = minetest.get_us_time()
+	local dtime = now - last_step
+	last_step = now
+
+	max_lag = max_lag * multiplier  -- Decrease slowly
+
+	if dtime > max_lag then
+		max_lag = dtime
+	end
+end)
+
+function technic.get_max_lag()
+	return max_lag / 1000000
+end