diff --git a/barter.lua b/barter.lua
index d1a2638..d4763e6 100644
--- a/barter.lua
+++ b/barter.lua
@@ -93,13 +93,13 @@ barter.chest.exchange = function(meta)
 end
 
 minetest.register_node("currency:barter", {
-        drawtype = "nodebox",
+		drawtype = "nodebox",
 	description = S("Barter Table"),
 	paramtype = "light",
 	paramtype2 = "facedir",
 	tiles = {"barter_top.png",
-	                "barter_base.png",
-	                "barter_side.png"},
+					"barter_base.png",
+					"barter_side.png"},
 	inventory_image = "barter_top.png",
 	node_box = {
 		type = "fixed",
diff --git a/craftitems.lua b/craftitems.lua
index ea088f8..079bcb5 100644
--- a/craftitems.lua
+++ b/craftitems.lua
@@ -3,63 +3,63 @@ local MP = minetest.get_modpath(minetest.get_current_modname())
 local S, NS = dofile(MP.."/intllib.lua")
 
 minetest.register_craftitem("currency:minegeld_cent_5", {
-    description = S("5 Minegeld cent coin"),
-    inventory_image = "minegeld_cent_5.png",
-        stack_max = 1000,
+	description = S("5 Minegeld cent coin"),
+	inventory_image = "minegeld_cent_5.png",
+		stack_max = 1000,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_cent_10", {
-    description = S("10 Minegeld cent coin"),
-    inventory_image = "minegeld_cent_10.png",
-        stack_max = 1000,
+	description = S("10 Minegeld cent coin"),
+	inventory_image = "minegeld_cent_10.png",
+		stack_max = 1000,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_cent_25", {
-    description = S("25 Minegeld cent coin"),
-    inventory_image = "minegeld_cent_25.png",
-        stack_max = 1000,
+	description = S("25 Minegeld cent coin"),
+	inventory_image = "minegeld_cent_25.png",
+		stack_max = 1000,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld", {
-    description = S("1 Minegeld Note"),
-    inventory_image = "minegeld.png",
-        stack_max = 65535,
+	description = S("1 Minegeld Note"),
+	inventory_image = "minegeld.png",
+		stack_max = 65535,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_5", {
-    description = S("5 Minegeld Note"),
-    inventory_image = "minegeld_5.png",
-        stack_max = 65535,
+	description = S("5 Minegeld Note"),
+	inventory_image = "minegeld_5.png",
+		stack_max = 65535,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_10", {
-    description = S("10 Minegeld Note"),
-    inventory_image = "minegeld_10.png",
-        stack_max = 65535,
+	description = S("10 Minegeld Note"),
+	inventory_image = "minegeld_10.png",
+		stack_max = 65535,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_50", {
-    description = S("50 Minegeld Note"),
-    inventory_image = "minegeld_50.png",
-        stack_max = 65535,
+	description = S("50 Minegeld Note"),
+	inventory_image = "minegeld_50.png",
+		stack_max = 65535,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_100", {
-    description = S("100 Minegeld Note"),
-    inventory_image = "minegeld_100.png",
-        stack_max = 65535,
+	description = S("100 Minegeld Note"),
+	inventory_image = "minegeld_100.png",
+		stack_max = 65535,
 		groups = {minegeld = 1}
 })
 
 minetest.register_craftitem("currency:minegeld_bundle", {
-    description = S("Bundle of random Minegeld notes"),
-    inventory_image = "minegeld_bundle.png",
-        stack_max = 65535,
+	description = S("Bundle of random Minegeld notes"),
+	inventory_image = "minegeld_bundle.png",
+		stack_max = 65535,
 })
diff --git a/income.lua b/income.lua
index 761a871..2c9fb47 100644
--- a/income.lua
+++ b/income.lua
@@ -6,33 +6,33 @@ local S, NS = dofile(MP.."/intllib.lua")
 
 local timer = 0
 minetest.register_globalstep(function(dtime)
-    timer = timer + dtime;
-    if timer >= 720 then --720 for one day
-        timer = 0
-        for _,player in ipairs(minetest.get_connected_players()) do
-                local name = player:get_player_name()
-                if players_income[name] == nil then
-                    players_income[name] = 0
-                end
-                players_income[name] = 1
-                minetest.log("info", "[Currency] "..S("basic income for @1", name))
-        end
-    end
+	timer = timer + dtime;
+	if timer >= 720 then --720 for one day
+		timer = 0
+		for _,player in ipairs(minetest.get_connected_players()) do
+				local name = player:get_player_name()
+				if players_income[name] == nil then
+					players_income[name] = 0
+				end
+				players_income[name] = 1
+				minetest.log("info", "[Currency] "..S("basic income for @1", name))
+		end
+	end
 end)
 
 earn_income = function(player)
-    if not player or player.is_fake_player then return end
-    local name = player:get_player_name()
-    if players_income[name] == nil then
-        players_income[name] = 0
-    end
-    if players_income[name] > 0 then
-        count = players_income[name]
-        local inv = player:get_inventory()
-        inv:add_item("main", {name="currency:minegeld_10", count=count})
-        players_income[name] = 0
-        minetest.log("info", "[Currency] "..S("added basic income for @1 to inventory", name))
-    end
+	if not player or player.is_fake_player then return end
+	local name = player:get_player_name()
+	if players_income[name] == nil then
+		players_income[name] = 0
+	end
+	if players_income[name] > 0 then
+		count = players_income[name]
+		local inv = player:get_inventory()
+		inv:add_item("main", {name="currency:minegeld_10", count=count})
+		players_income[name] = 0
+		minetest.log("info", "[Currency] "..S("added basic income for @1 to inventory", name))
+	end
 end
 
 minetest.register_on_dignode(function(pos, oldnode, digger)
diff --git a/safe.lua b/safe.lua
index 4819af7..ad243e5 100644
--- a/safe.lua
+++ b/safe.lua
@@ -33,7 +33,7 @@ minetest.register_node("currency:safe", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	tiles = {"safe_side.png",
-	        "safe_side.png",
+			"safe_side.png",
 			"safe_side.png",
 			"safe_side.png",
 			"safe_side.png",
@@ -66,7 +66,7 @@ minetest.register_node("currency:safe", {
 		end
 		return count
 	end,
-    allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 		local meta = minetest.get_meta(pos)
 		if not has_safe_privilege(meta, player) then
 			minetest.log("action", S("@1 tried to access a safe belonging to @2 at @3",
@@ -75,7 +75,7 @@ minetest.register_node("currency:safe", {
 		end
 		return stack:get_count()
 	end,
-    allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 		local meta = minetest.get_meta(pos)
 		if not has_safe_privilege(meta, player) then
 			minetest.log("action", S("@1 tried to access a safe belonging to @2 at @3",
@@ -87,10 +87,10 @@ minetest.register_node("currency:safe", {
 	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
 		minetest.log("action", S("@1 moves stuff in safe at @2", player:get_player_name(), minetest.pos_to_string(pos)))
 	end,
-    on_metadata_inventory_put = function(pos, listname, index, stack, player)
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		minetest.log("action", S("@1 moves stuff to safe at @2", player:get_player_name(), minetest.pos_to_string(pos)))
 	end,
-    on_metadata_inventory_take = function(pos, listname, index, stack, player)
+	on_metadata_inventory_take = function(pos, listname, index, stack, player)
 		minetest.log("action", S("@1 takes stuff from safe at @2", player:get_player_name(), minetest.pos_to_string(pos)))
 	end,
 	on_rightclick = function(pos, node, clicker)