DMD 1.036 and 2.020 releases

[BCS]

Reply to dsimcha,

> == Quote from John Reimer (terminal.node at gmail.com)'s article
> 
>> Hello Andrei,
>> 
>>> I think the entire operator paraphernalia is due for a serious
>>> overhaul.
>>> 
>>> Andrei
>>> 
>> This may not be a popular opinion, but I agree!
>> -JJR
> I'll second that.  D's operator overloading is a bit confusing because
> it's kind of grown rather than having been designed.  This should be
> fixed now, while breaking changes are still considered acceptable.
> 

Clean it up if you want to. But overall I like the *general* way it work.