Improvements to std.typecons.Nullable

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On Wednesday, 9 October 2013 at 03:42:50 UTC, Nick Sabalausky 
wrote:
> Personally, I find Nullable's "alias this" functionality to be a
> wonderful convenience. FWIW.

Yeah, it's convenient to be able to switch out T with Nullable(T) 
and have it work without breaking the API... Well, it sort of 
works, when the stars align and the blessing of Donald Knuth is 
upon you.