a small fix to not create "empty" stargate files for each player and to cle...

hdastwb

2013-08-13 97749578b09f4bb2e9c88d7be569e2c2b72bb881

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function get_item_meta (string)
    if string.find(string, "return {") then
        return minetest.deserialize(string)
    else return nil
    end
end
 
function set_item_meta (table)
    return minetest.serialize(table)
end