std.uuid: Update 2

[Johannes Pfau]

Am Sun, 10 Jun 2012 18:49:03 +0200
schrieb Johannes Pfau <nospam at example.com>:

> Am Sat, 09 Jun 2012 21:30:57 +0400
> schrieb Dmitry Olshansky <dmitry.olsh at gmail.com>:
> > Code: https://github.com/jpf91/phobos/blob/std.uuid/std/uuid.d
> > API-Docs: http://dl.dropbox.com/u/24218791/d/src/uuid.html
> 
> I pushed these changes suggested by Dmitry Olshansky and Jonas
> Drewsen:
> 
> * Add documentation table
> * Rename UUID.isNil --> UUID.empty
> * Merge ParserException and IsufficientInputException into
>   UUIDParserException
> * Add note about std.variant.Variant
> * Rewrite example to avoid cast
> * Add non-working(commented out) variadic constructor
> * Rename extractRegex --> uuidRegex
> * Use std.algorithm.swap instead of swapRanges

* parseUUID now supports InputRanges with ElementType == dchar (all
  string types are still supported as well)