dont use table.copy for copying the original nodedef and update readme

LICENSE.txt

@@ -0,0 +1 @@
+WTFPL

README.md

@@ -0,0 +1,19 @@
+[Mod] connected chests [connected_chests]
+
+This mod allows making bigger default chests.  
+Just hold shift and place a chest onto another one's side.  
+This is not the first mod which adds big chests.
+
+**Depends:** see [depends.txt](https://raw.githubusercontent.com/HybridDog/connected_chests/master/depends.txt)  
+**License:** see [LICENSE.txt](https://raw.githubusercontent.com/HybridDog/connected_chests/master/LICENSE.txt)  
+**Download:** [zip](https://github.com/HybridDog/connected_chests/archive/master.zip), [tar.gz](https://github.com/HybridDog/connected_chests/tarball/master)  
+
+![I'm a screenshot!](http://wiki.minetest.net/images/d/d1/Connected_chest.png)
+
+If you got ideas or found bugs, please tell them to me.
+
+[How to install a mod?](http://wiki.minetest.net/Installing_Mods)
+
+
+TODO:  
+— disallow rotating the chest with a screwdriver

README.txt

@@ -1,2 +0,0 @@
-TODO:
-— disallow rotating the chest with a screwdriver

init.lua

@@ -154,7 +154,12 @@ end
 local top_texture = "connected_chests_top.png^default_chest_top.png^([combine:16x16:5,0=default_chest_top.png^connected_chests_frame.png^[makealpha:255,126,126)^connected_chests_top.png"
 local side_texture = "connected_chests_side.png^default_chest_side.png^([combine:16x16:5,0=default_chest_side.png^connected_chests_frame.png^[makealpha:255,126,126)^connected_chests_side.png"
 
-local chest = table.copy(minetest.registered_nodes["default:chest"])
+local chest = {}
+local origdef = minetest.registered_nodes["default:chest"]
+for i in pairs(origdef) do
+	chest[i] = rawget(origdef, i)
+end
+
 chest.description = nil
 chest.legacy_facedir_simple = nil
 chest.after_place_node = nil
@@ -183,7 +188,12 @@ end
 minetest.register_node("connected_chests:chest_left", chest)
 
 
-local chest_locked = table.copy(minetest.registered_nodes["default:chest_locked"])
+local chest_locked = {}
+local origdef = minetest.registered_nodes["default:chest_locked"]
+for i in pairs(origdef) do
+	chest_locked[i] = rawget(origdef, i)
+end
+
 chest_locked.description = nil
 chest_locked.legacy_facedir_simple = nil
 chest_locked.after_place_node = nil