Support chess960 variant (KierenP#397)

Bench: 13395978

Halogen 11 official release (KierenP#391)

```
ELO   | 227.35 +- 4.35 (95%)
CONF  | 8.0+0.08s Threads=1 Hash=8MB
GAMES | N: 20000 W: 12669 L: 1177 D: 6154
```


```
ELO   | 213.95 +- 8.16 (95%)
CONF  | 5.0+0.05s Threads=8 Hash=64MB
GAMES | N: 5000 W: 2981 L: 240 D: 1779
```


```
ELO   | 228.91 +- 8.17 (95%)
CONF  | 40.0+0.40s Threads=1 Hash=64MB
GAMES | N: 5000 W: 3057 L: 169 D: 1774
```


```
ELO   | 184.88 +- 16.27 (95%)
CONF  | 20.0+0.20s Threads=8 Hash=256MB
GAMES | N: 1000 W: 521 L: 34 D: 445
```

Bench: 12688010

Halogen 10 release

Bench: 26935825

Merge pull request KierenP#194 from KierenP/small_speedup_2

Small speedup
Bench: 7421952

Halogen version 8.1 bump

Bench: 16572416

Halogen 8 version bump

Bench: 6189619

Release Halogen 7

Bench: 6928825

Update version number

Bench: 7065054

Final commit of version 5

Bench: 12140859

Changed my mind about version numbers

Bench: 18759819