RIFT table copy

local tcopy = nil;
tcopy = function(from, to)
    for k, v in pairs(from) do
        if (type(v) == "table") then
            local dest = to[k];

            if (type(dest) ~= "table") then
                dest = {};
                to[k] = dest;
            end

            tcopy(v, dest);
        else
            to[k] = v;
        end
    end
end

tclone = function(t)
    local result = {};

    tcopy(t, {});

    return result;
end