function installg (installto)
    for k, v in _G.next, _G, nil do
        installto[k] = v
    end
    installto._G = installto
end

function create_loaded_metatable (getSelfID)
    return  {   __index = function (t, k)
                    local selfID = getSelfID()
                    if not rawget (t, selfID) then
                        rawset (t, selfID, {})
                    end
                    return rawget (t, selfID)[k]
                end,
                __newindex = function (t, k, v)
                    local selfID = getSelfID()
                    if not rawget (t, selfID) then
                        rawset (t, selfID, {})
                    end
                   rawget (t, selfID)[k] = v
                end
            }
end