diff --git a/modules/ores/init.lua b/modules/ores/init.lua
index d06965e..89296e6 100644
--- a/modules/ores/init.lua
+++ b/modules/ores/init.lua
@@ -4,42 +4,42 @@ local me = microexpansion
 
 -- [register] Incranium Ore
 me.register_node("incranium", {
-  description = "Incranium Ore",
-  tiles = { "incranium" },
-  is_ground_content = true,
-  groups = { cracky=3, stone=1 },
-  type = "ore",
-  oredef = {
-    {
-      ore_type = "blob",
-      wherein = "default:stone",
-      clust_scarcity = 4*4*4,
-      clust_num_ores = 4,
-      clust_size = 3,
-      y_min = -300,
-      y_max = -90,
-    },
-  },
-  disabled = true,
+	description = "Incranium Ore",
+	tiles = { "incranium" },
+	is_ground_content = true,
+	groups = { cracky=3, stone=1 },
+	type = "ore",
+	oredef = {
+		{
+			ore_type = "blob",
+			wherein = "default:stone",
+			clust_scarcity = 4*4*4,
+			clust_num_ores = 4,
+			clust_size = 3,
+			y_min = -300,
+			y_max = -90,
+		},
+	},
+	disabled = true,
 })
 
 -- "Supernatet", pronounced "Super-nat-et" is Latin for "float", this ore will
 -- float up if there are no blocks above it, so be careful!
 -- Supernatet ore will be used to craft wings of flight
 me.register_node("supernatet", {
-  description = "Supernatant Ore",
-  tiles = { "default_stone.png^microexpansion_ore_supernatet.png" },
-  is_ground_content = true,
-  type = "ore",
-  groups = { cracky=3, stone=1 },
-  oredef = {
-    ore_type = "blob",
-    wherein = "default:stone",
-    clust_scarcity = 4*4*4,
-    clust_num_ores = 4,
-    clust_size = 3,
-    y_min = -300,
-    y_max = -90,
-  },
-  status = "unstable",
+	description = "Supernatant Ore",
+	tiles = { "default_stone.png^microexpansion_ore_supernatet.png" },
+	is_ground_content = true,
+	type = "ore",
+	groups = { cracky=3, stone=1 },
+	oredef = {
+		ore_type = "blob",
+		wherein = "default:stone",
+		clust_scarcity = 4*4*4,
+		clust_num_ores = 4,
+		clust_size = 3,
+		y_min = -300,
+		y_max = -90,
+	},
+	status = "unstable",
 })
diff --git a/modules/power/ctrl.lua b/modules/power/ctrl.lua
index f6ca995..048120e 100644
--- a/modules/power/ctrl.lua
+++ b/modules/power/ctrl.lua
@@ -4,8 +4,8 @@ local me = microexpansion
 
 -- [register node] Controller
 me.register_node("ctrl", {
-  description = "Power Controller",
-  tiles = {
+	description = "Power Controller",
+	tiles = {
 		"ctrl_sides",
 		"ctrl_bottom",
 		"ctrl_sides",
@@ -13,8 +13,8 @@ me.register_node("ctrl", {
 		"ctrl_sides",
 		"ctrl_sides"
 	},
-  drawtype = "nodebox",
-  paramtype = "light",
+	drawtype = "nodebox",
+	paramtype = "light",
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -31,29 +31,29 @@ me.register_node("ctrl", {
 			{-0.1875, -0.5, -0.1875, 0.1875, -0.25, 0.1875}, -- Bottom2
 		},
 	},
-  groups = { cracky = 1, me_connect = 1, },
-  connect_sides = "nobottom",
-  status = "no",
+	groups = { cracky = 1, me_connect = 1, },
+	connect_sides = "nobottom",
+	status = "no",
 })
 
 -- [register node] Cable
 me.register_node("cable", {
-  description = "ME Cable",
-  tiles = {
-    "cable",
-  },
-  drawtype = "nodebox",
-  node_box = {
-    type = "connected",
-    fixed          = {-0.25, -0.25, -0.25, 0.25,  0.25, 0.25},
+	description = "ME Cable",
+	tiles = {
+		"cable",
+	},
+	drawtype = "nodebox",
+	node_box = {
+		type = "connected",
+		fixed          = {-0.25, -0.25, -0.25, 0.25,  0.25, 0.25},
 		connect_top    = {-0.25, -0.25, -0.25, 0.25,  0.5,  0.25}, -- y+
 		connect_bottom = {-0.25, -0.5,  -0.25, 0.25,  0.25, 0.25}, -- y-
 		connect_front  = {-0.25, -0.25, -0.5,  0.25,  0.25, 0.25}, -- z-
 		connect_back   = {-0.25, -0.25,  0.25, 0.25,  0.25, 0.5 }, -- z+
 		connect_left   = {-0.5,  -0.25, -0.25, 0.25,  0.25, 0.25}, -- x-
 		connect_right  = {-0.25, -0.25, -0.25, 0.5,   0.25, 0.25}, -- x+
-  },
-  connects_to = {"group:me_connect"},
-  groups = { crumbly = 1, me_connect = 1, },
-  status = "no",
+	},
+	connects_to = {"group:me_connect"},
+	groups = { crumbly = 1, me_connect = 1, },
+	status = "no",
 })
diff --git a/modules/power/gen.lua b/modules/power/gen.lua
index c80077e..df12430 100644
--- a/modules/power/gen.lua
+++ b/modules/power/gen.lua
@@ -4,33 +4,33 @@ local me = microexpansion
 
 -- [register node] Fuel Fired Generator
 me.register_node("fuel_fired_generator", {
-  description = "Fuel-Fired Generator",
-  tiles = {
-    "machine_sides",
+	description = "Fuel-Fired Generator",
+	tiles = {
+		"machine_sides",
 		"machine_sides",
 		"machine_sides",
 		"machine_sides",
 		"machine_sides",
 		"fuelgen_front",
-  },
-  recipe = {
-    { 1, {
-        { "default:steel_ingot", "default:furnace", "default:steel_ingot" },
-        {"default:steel_ingot", "microexpansion:machine_casing", "default:steel_ingot" },
-        { "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
-      },
-    }
-  },
-  groups = { cracky = 1, me_connect = 1, },
-  connect_sides = "machine",
-  paramtype2 = "facedir",
-  status = "no",
+	},
+	recipe = {
+		{ 1, {
+				{ "default:steel_ingot", "default:furnace", "default:steel_ingot" },
+				{"default:steel_ingot", "microexpansion:machine_casing", "default:steel_ingot" },
+				{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
+			},
+		}
+	},
+	groups = { cracky = 1, me_connect = 1, },
+	connect_sides = "machine",
+	paramtype2 = "facedir",
+	status = "no",
 })
 
 -- [register node] Super Smelter
 me.register_node("super_smelter", {
-  description = "Super Smelter",
-  tiles = {
+	description = "Super Smelter",
+	tiles = {
 		"machine_sides",
 		"machine_sides",
 		"machine_sides",
@@ -38,24 +38,24 @@ me.register_node("super_smelter", {
 		"machine_sides",
 		"super_smelter_front",
 	},
-  recipe = {
-    { 1, {
-        { "default:furnace", "default:furnace", "default:furnace" },
-      	{ "default:steel_ingot", "microexpansion:machine_casing", "default:steel_ingot" },
-      	{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
-      },
-    },
-  },
-  groups = { cracky = 1, me_connect = 1, },
-  connect_sides = "machine",
-  paramtype2 = "facedir",
-  status = "no",
+	recipe = {
+		{ 1, {
+				{ "default:furnace", "default:furnace", "default:furnace" },
+				{ "default:steel_ingot", "microexpansion:machine_casing", "default:steel_ingot" },
+				{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
+			},
+		},
+	},
+	groups = { cracky = 1, me_connect = 1, },
+	connect_sides = "machine",
+	paramtype2 = "facedir",
+	status = "no",
 })
 
 -- [register item] Geothermal Generator
 me.register_node("geo_generator", {
-  description = "Geothermal Generator",
-  tiles = {
+	description = "Geothermal Generator",
+	tiles = {
 		"machine_sides",
 		"machine_sides",
 		"machine_sides",
@@ -63,8 +63,8 @@ me.register_node("geo_generator", {
 		"machine_sides",
 		"geogen_front",
 	},
-  groups = { cracky = 1, me_connect = 1, },
-  connect_sides = "machine",
-  paramtype2 = "facedir",
-  status = "no",
+	groups = { cracky = 1, me_connect = 1, },
+	connect_sides = "machine",
+	paramtype2 = "facedir",
+	status = "no",
 })
diff --git a/modules/shared/init.lua b/modules/shared/init.lua
index b68bec4..346ada9 100644
--- a/modules/shared/init.lua
+++ b/modules/shared/init.lua
@@ -7,24 +7,18 @@ local me = microexpansion
 
 -- [register item] Steel Infused Obsidian Ingot
 me.register_item("steel_infused_obsidian_ingot", {
-  description = "Steel Infused Obsidian Ingot",
-  recipe = {
-    { 1, {
-        { "default:steel_ingot", "default:obsidian_shard", "default:steel_ingot" },
-      },
-    },
-  },
+	description = "Steel Infused Obsidian Ingot",
+	recipe = {{1, {
+		{"default:steel_ingot", "default:obsidian_shard", "default:steel_ingot"}}}
+	}
 })
 
 -- [register item] Machine Casing
 me.register_item("machine_casing", {
-  description = "Machine Casing",
-  recipe = {
-    { 1, {
-        {"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
-    		{"default:steel_ingot", "default:copper_ingot", "default:steel_ingot"},
-    		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
-      },
-    },
-  },
+	description = "Machine Casing",
+	recipe = {{1, {
+		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
+		{"default:steel_ingot", "default:copper_ingot", "default:steel_ingot"},
+		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
+	}}}
 })
diff --git a/modules/storage/api.lua b/modules/storage/api.lua
index 999d616..05c8ef8 100644
--- a/modules/storage/api.lua
+++ b/modules/storage/api.lua
@@ -4,97 +4,97 @@ local BASENAME = "microexpansion"
 
 -- [function] register cell
 function microexpansion.register_cell(itemstring, def)
-  if not def.inventory_image then
-    def.inventory_image = itemstring
-  end
+	if not def.inventory_image then
+		def.inventory_image = itemstring
+	end
 
-  -- register craftitem
-  minetest.register_craftitem(BASENAME..":"..itemstring, {
-    description = def.description,
-    inventory_image = BASENAME.."_"..def.inventory_image..".png",
-    groups = {microexpansion_cell = 1},
-    stack_max = 1,
-    microexpansion = {
-      base_desc = def.description,
-      drive = {
-        capacity = def.capacity or 5000,
-      },
-    },
-  })
+	-- register craftitem
+	minetest.register_craftitem(BASENAME..":"..itemstring, {
+		description = def.description,
+		inventory_image = BASENAME.."_"..def.inventory_image..".png",
+		groups = {microexpansion_cell = 1},
+		stack_max = 1,
+		microexpansion = {
+			base_desc = def.description,
+			drive = {
+				capacity = def.capacity or 5000,
+			},
+		},
+	})
 
-  -- if recipe, register recipe
-  if def.recipe then
-    -- if recipe, register recipe
-    if def.recipe then
-      microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
-    end
-  end
+	-- if recipe, register recipe
+	if def.recipe then
+		-- if recipe, register recipe
+		if def.recipe then
+			microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
+		end
+	end
 end
 
 -- [function] Get cell size
 function microexpansion.get_cell_size(name)
-  local item = minetest.registered_craftitems[name]
-  if item then
-    return item.microexpansion.drive.capacity
-  end
+	local item = minetest.registered_craftitems[name]
+	if item then
+		return item.microexpansion.drive.capacity
+	end
 end
 
 -- [function] Calculate max stacks
 function microexpansion.int_to_stacks(int)
-  return math.floor(int / 99)
+	return math.floor(int / 99)
 end
 
 -- [function] Calculate number of pages
 function microexpansion.int_to_pagenum(int)
-  return math.floor(microexpansion.int_to_stacks(int) / 32)
+	return math.floor(microexpansion.int_to_stacks(int) / 32)
 end
 
 -- [function] Move items from inv to inv
 function microexpansion.move_inv(inv1, inv2)
-  local finv, tinv   = inv1.inv, inv2.inv
-  local fname, tname = inv1.name, inv2.name
+	local finv, tinv   = inv1.inv, inv2.inv
+	local fname, tname = inv1.name, inv2.name
 
-  for i,v in ipairs(finv:get_list(fname) or {}) do
-    if tinv and tinv:room_for_item(tname, v) then
-      local leftover = tinv:add_item( tname, v )
-      finv:remove_item(fname, v)
-      if leftover and not(leftover:is_empty()) then
-        finv:add_item(fname, v)
-      end
-    end
-  end
+	for i,v in ipairs(finv:get_list(fname) or {}) do
+		if tinv and tinv:room_for_item(tname, v) then
+			local leftover = tinv:add_item( tname, v )
+			finv:remove_item(fname, v)
+			if leftover and not(leftover:is_empty()) then
+				finv:add_item(fname, v)
+			end
+		end
+	end
 end
 
 -- [function] Update cell description
 function microexpansion.cell_desc(inv, listname, spos)
-  local stack = inv:get_stack(listname, spos)
+	local stack = inv:get_stack(listname, spos)
 
-  if stack:get_name() ~= "" then
-    local meta      = stack:get_meta()
-    local base_desc = minetest.registered_craftitems[stack:get_name()].microexpansion.base_desc
-  	local max_slots = inv:get_size("main")
-  	local max_items = math.floor(max_slots * 99)
+	if stack:get_name() ~= "" then
+		local meta      = stack:get_meta()
+		local base_desc = minetest.registered_craftitems[stack:get_name()].microexpansion.base_desc
+		local max_slots = inv:get_size("main")
+		local max_items = math.floor(max_slots * 99)
 
-  	local slots, items = 0, 0
-  	-- Get amount of items in drive
-  	for i = 1, max_items do
-  		local stack = inv:get_stack("main", i)
-  		local item = stack:get_name()
-  		if item ~= "" then
-  			slots = slots + 1
-  			local num = stack:get_count()
-  			if num == 0 then num = 1 end
-  			items = items + num
-  		end
-    end
+		local slots, items = 0, 0
+		-- Get amount of items in drive
+		for i = 1, max_items do
+			local stack = inv:get_stack("main", i)
+			local item = stack:get_name()
+			if item ~= "" then
+				slots = slots + 1
+				local num = stack:get_count()
+				if num == 0 then num = 1 end
+				items = items + num
+			end
+		end
 
-    -- Calculate Percentage
-    local percent = math.floor(items / max_items * 100)
+		-- Calculate Percentage
+		local percent = math.floor(items / max_items * 100)
 
-    -- Update description
-    meta:set_string("description", base_desc.."\n"..
-      minetest.colorize("grey", tostring(items).."/"..tostring(max_items).." Items ("..tostring(percent).."%)"))
-    -- Update stack
-    inv:set_stack(listname, spos, stack)
+		-- Update description
+		meta:set_string("description", base_desc.."\n"..
+			minetest.colorize("grey", tostring(items).."/"..tostring(max_items).." Items ("..tostring(percent).."%)"))
+		-- Update stack
+		inv:set_stack(listname, spos, stack)
 	end
 end
diff --git a/modules/storage/storage.lua b/modules/storage/storage.lua
index 70badf7..0bc3b76 100644
--- a/modules/storage/storage.lua
+++ b/modules/storage/storage.lua
@@ -2,24 +2,24 @@
 
 -- [drive] 8k
 microexpansion.register_cell("cell_8k", {
-  description = "8k ME Storage Cell",
-  capacity = 8000,
+	description = "8k ME Storage Cell",
+	capacity = 8000,
 })
 
 -- [drive] 16k
 microexpansion.register_cell("cell_16k", {
-  description = "16k ME Storage Cell",
-  capacity = 16000,
+	description = "16k ME Storage Cell",
+	capacity = 16000,
 })
 
 -- [drive] 32k
 microexpansion.register_cell("cell_32k", {
-  description = "32k ME Storage Cell",
-  capacity = 32000,
+	description = "32k ME Storage Cell",
+	capacity = 32000,
 })
 
 -- [drive] 64k
 microexpansion.register_cell("cell_64k", {
-  description = "64k ME Storage Cell",
-  capacity = 64000,
+	description = "64k ME Storage Cell",
+	capacity = 64000,
 })
diff --git a/modules/tools/xtremo.lua b/modules/tools/xtremo.lua
index a613367..91af0e7 100644
--- a/modules/tools/xtremo.lua
+++ b/modules/tools/xtremo.lua
@@ -2,9 +2,9 @@
 
 -- [register tool] Pickaxe
 minetest.register_tool("microexpansion:xtremo_pickaxe", {
-  description = "In Xtremo Pickaxe",
-  inventory_image = "microexpansion_in_xtremo_pickaxe.png",
-  tool_capabilities = {
+	description = "In Xtremo Pickaxe",
+	inventory_image = "microexpansion_in_xtremo_pickaxe.png",
+	tool_capabilities = {
 		full_punch_interval = 0.9,
 		max_drop_level=3,
 		groupcaps={
@@ -16,9 +16,9 @@ minetest.register_tool("microexpansion:xtremo_pickaxe", {
 
 -- [register tool] Axe
 minetest.register_tool("microexpansion:xtremo_axe", {
-  description = "In Xtremo Axe",
-  inventory_image = "microexpansion_in_xtremo_axe.png",
-  tool_capabilities = {
+	description = "In Xtremo Axe",
+	inventory_image = "microexpansion_in_xtremo_axe.png",
+	tool_capabilities = {
 		full_punch_interval = 0.9,
 		max_drop_level=3,
 		groupcaps={