Integer conversions too pedantic in 64-bit

[Walter Bright]

Andrej Mitrovic wrote:
> The question is then do you want to be more consistent with the
> language (abolish size_t and make something nicer), or be consistent
> with the known standards (C99 ISO, et all.).
> 
> I'd vote for a change, but I know it will never happen (even though it
> just might not be too late if we're not coding for 64 bits yet). It's
> hardcoded in the skin of C++ programmers, and Walter is at least one
> of them.

We also don't go around renaming should to shud, or use dvorak keyboards.

Having to constantly explain that "use 'ourfancyname' instead of size_t, it 
works exactly the same as size_t" is a waste of our time and potential users' time.