std.benchmark ready for review. Manager sought after

[Famous]

Maybe the layout is not destroyed, this time:

> ================================================================
> Benchmark                                Time    Performance
>                                                  ---------------
> name                                     s/iter  iter/s  factor
> -----------------------[ module_one ]--- ------- ------- -------
> file write                               140.20µ   7.13k
> file read                                 27.10µ  36.90k   5.17
> array creation                           116.00n   8.62M   1.21k
> ================================================================