util.startup: Don't use not yet existent shutdown procedure when started as root (thanks SigmaTel71)
if not math.type then
local function math_type(t)
if type(t) == "number" then
if t % 1 == 0 and t ~= t + 1 and t ~= t - 1 then
return "integer"
else
return "float"
end
end
end
_G.math.type = math_type
end