[mesecons] Update mesecons

- Also fix whitespaces in default/nodes.lua

mods/mesecons/mesecons/services.lua

@@ -28,11 +28,13 @@ mesecon.on_placenode = function (pos, node)
 	-- Effectors: Send changesignal and activate or deactivate
 	if mesecon.is_effector(node.name) then
 		local powered_rules = {}
+		local unpowered_rules = {}
 
 		-- for each input rule, check if powered
 		for _, r in ipairs(mesecon.effector_get_rules(node)) do
 			local powered = mesecon.is_powered(pos, r)
-			if powered then table.insert(powered_rules, r) end
+			if powered then table.insert(powered_rules, r)
+			else table.insert(unpowered_rules, r) end
 
 			local state = powered and mesecon.state.on or mesecon.state.off
 			mesecon.changesignal(pos, node, r, state, 1)
@@ -42,6 +44,10 @@ mesecon.on_placenode = function (pos, node)
 			for _, r in ipairs(powered_rules) do
 				mesecon.activate(pos, node, r, 1)
 			end
+		else
+			for _, r in ipairs(unpowered_rules) do
+				mesecon.deactivate(pos, node, r, 1)
+			end
 		end
 	end
 end

mods/mesecons/mesecons/settings.lua

@@ -1,7 +1,12 @@
 -- SETTINGS
 function mesecon.setting(setting, default)
-	if type(default) == "bool" then
-		return minetest.setting_getbool("mesecon."..setting) or default
+	if type(default) == "boolean" then
+		local read = minetest.setting_getbool("mesecon."..setting)
+		if read == nil then
+			return default
+		else
+			return read
+		end
 	elseif type(default) == "string" then
 		return minetest.setting_get("mesecon."..setting) or default
 	elseif type(default) == "number" then