dmd 1.046 and 2.031 releases

[Walter Bright]

Andrei Alexandrescu wrote:
> Nick Sabalausky wrote:
>> I assume then that you've looked at something lke C#'s 
>> checked/unchecked scheme and someone's (I forget who) idea of 
>> expanding that to something like unchecked(overflow, sign)? What was 
>> wrong with those sorts of things? 
> 
> An unchecked-based approach was not on the table. Our focus was more on 
> checking things properly, instead of over-checking and then relying on 
> "unchecked" to disable that.

We also should be careful not to turn D into a "bondage and discipline" 
language that nobody will use unless contractually forced to.