std.experimental.logger formal review round 3

[Vladimir Panteleev via Digitalmars-d]

On Monday, 29 September 2014 at 10:30:21 UTC, Marco Leise wrote:
> If you don't have time to experiment, but believe that some
> use case must be covered just describe it in a few words.

Two things:

1. Timestamps with millisecond precision or better?

2. Creating one log file per day? I.e. built-in logrotate. If 
it's not built-in, would it be difficult to add on top?