std.experimental.logger formal review round 3

[Robert burner Schadek via Digitalmars-d]

On Tuesday, 30 September 2014 at 00:19:00 UTC, deadalnix wrote:
>
> It has been mentioned in the comment already, but log4j like
> approach seems better. Also, it is sad that output range are not
> leveraged to format/sample/filter/select output of the logger.

yeah log4j is totally awesome and shows IMO how pretty something 
can be build on top of std.logger. Even though it uses the 
non-range LogEntry from std.logger.