local function __TS__ArraySlice(self, first, last)
    local len = table.getn(self)
    first = first or 0
    if first < 0 then
        first = len + first
        if first < 0 then
            first = 0
        end
    else
        if first > len then
            first = len
        end
    end
    last = last or len
    if last < 0 then
        last = len + last
        if last < 0 then
            last = 0
        end
    else
        if last > len then
            last = len
        end
    end
    local out = {}
    first = first + 1
    last = last + 1
    local n = 1
    while first < last do
        out[n] = self[first]
        first = first + 1
        n = n + 1
    end
    return out
end