Language performance benchmark be updated 2019/11/09

[Jacob Shtokolov]

On Sunday, 17 November 2019 at 14:15:00 UTC, Daniel Kozak wrote:
> Sorry I missed insert the link. It is on my github: 
> https://github.com/Kozzi11/benchmarks/tree/improve_d

Now it's faster than the C++ version on my machine:

```
Nim:    12.01s, 478.1Mb
D LDC2: 13.48s, 428.1Mb
C++:    19.97s, 179.3Mb
Golang: 21.90s, 364.7Mb
```

So basically the only critical change was to replace the built-in 
associative arrays with Appender types?

That's really amazing!