"isDroppable" range trait for slicing to end

[Jens Mueller]

Jonathan M Davis wrote:
> On Monday, October 29, 2012 20:26:38 Dmitry Olshansky wrote:
> > Need to ping Jonathon about it and work out something.
> 
> I believe that Microsoft did something stupid with one of their functions 
> which makes it function slightly differently around a DST switch on Windows 8 
> than it used to, so the unit tests fail when verifying that the times come out 
> correctly around a DST switch (since they don't anymore on Windows 8). But I 
> haven't had time yet to thoroughly investigate what exactly is causing it. 
> Microsoft definitely sucks when it comes to time-handling stuff, but they're 
> usually better about backwards compatibility than they appear to have been 
> here.

I find it amazing how many bugs your unittests catch.

Jens