Move configuration to in-game settings

init.lua

@@ -19,9 +19,11 @@ local modpath=minetest.get_modpath("industrialtest")
 -- table with global functions, variables etc
 industrialtest={}
 
--- Initial constants
-industrialtest.updateDelay=1 -- Note: Make this value smaller to make machines update more frequently (it may make server more laggy)
-industrialtest.developerMode=true -- Enables additional utils useful when developing mod
+-- Settings
+industrialtest.config={
+	updateDelay=minetest.settings:get("industrialtest.updateDelay") or 1,
+	developerMode=minetest.settings:get_bool("industrialtest.developerMode",false)
+}
 
 -- Others
 industrialtest.random=PseudoRandom(os.time())
@@ -92,7 +94,7 @@ dofile(modpath.."/tools/wrench.lua")
 dofile(modpath.."/upgrades.lua")
 dofile(modpath.."/craftitems.lua")
 dofile(modpath.."/nodes.lua")
-if industrialtest.developerMode then
+if industrialtest.config.developerMode then
 	dofile(modpath.."/utils.lua")
 end
 dofile(modpath.."/cables.lua")