This version adds support for Chess960, MultiPV, searchmoves, and querying online Syzygy.
It also adds about 110 self-play elo:
LTC
+7679 -1547 =10774
Elo difference: 110.06 +- 3.23
Major changes:
Chess960 / FRC
MultiPV and `go searchmoves`
Online Syzygy probing for perfect play with 7 or fewer pieces (off by default)
Improved history heuristics
Improved evaluation of passed pawns