DMD 1.019 and 2.003 releases

[BCS]

Reply to James,

> Walter's version works on any platform where upper and lower case
> letters have the same arrangement, including any gaps; yours is pretty
> much tied to ASCII and extensions thereof.
>

good point, OTOH how often are non ASCII derived systems used (I've heard 
of a few but never run into any)
 
> (On the other hand, yours is idempotent, whereas Walter's depends on
> knowing that c started as upper case.)
>