Replace deprecated methods: (#179)

- 'setting_get' with 'settings:get'
- 'setting_getbool' with 'settings:get_bool'

default_settings.lua

@@ -30,7 +30,7 @@ local settings = {
 for name, value in pairs(settings) do
 	local setting_type = type(value)
 	if setting_type == "boolean" then
-		pipeworks[name] = minetest.setting_getbool(prefix..name)
+		pipeworks[name] = minetest.settings:get_bool(prefix..name)
 		if pipeworks[name] == nil then
 			pipeworks[name] = value
 		end

flowing_logic.lua

@@ -4,7 +4,7 @@
 -- Contributed by mauvebic, 2013-01-03, rewritten a bit by Vanessa Ezekowitz
 --
 
-local finitewater = minetest.setting_getbool("liquid_finite")
+local finitewater = minetest.settings:get_bool("liquid_finite")
 
 pipeworks.check_for_liquids = function(pos)
 	local coords = {

init.lua

@@ -26,7 +26,7 @@ end
 -- Random variables
 
 pipeworks.expect_infinite_stacks = true
-if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then
+if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
 	pipeworks.expect_infinite_stacks = false
 end
 

item_transport.lua

@@ -1,6 +1,6 @@
 local luaentity = pipeworks.luaentity
-local enable_max_limit = minetest.setting_get("pipeworks_enable_items_per_tube_limit")
-local max_tube_limit = tonumber(minetest.setting_get("pipeworks_max_items_per_tube")) or 30
+local enable_max_limit = minetest.settings:get("pipeworks_enable_items_per_tube_limit")
+local max_tube_limit = tonumber(minetest.settings:get("pipeworks_max_items_per_tube")) or 30
 if enable_max_limit == nil then enable_max_limit = true end
 
 function pipeworks.tube_item(pos, item)

luaentity.lua

@@ -71,7 +71,7 @@ end
 local active_blocks = {} -- These only contain active blocks near players (i.e., not forceloaded ones)
 
 local move_entities_globalstep_part1 = function(dtime)
-	local active_block_range = tonumber(minetest.setting_get("active_block_range")) or 2
+	local active_block_range = tonumber(minetest.settings:get("active_block_range")) or 2
 	local new_active_blocks = {}
 	for _, player in ipairs(minetest.get_connected_players()) do
 		local blockpos = get_blockpos(player:getpos())

signal_tubes.lua

@@ -1,5 +1,5 @@
 if pipeworks.enable_detector_tube then
-	local detector_tube_step = 5 * tonumber(minetest.setting_get("dedicated_server_step"))
+	local detector_tube_step = 5 * tonumber(minetest.settings:get("dedicated_server_step"))
 	pipeworks.register_tube("pipeworks:detector_tube_on", {
 			description = "Detecting Pneumatic Tube Segment on (you hacker you)",
 			inventory_image = "pipeworks_detector_tube_inv.png",