Crystal v4.1

Includes a number of bugfixes, search enhancements, and upstream merges.

Cursed/Blessed tablebase results are now displayed as scores in the 80's range when the 50 move rule is disabled in order to distinguish them from regular TB hits which continue to be scored in the 90's.

Bench: 6485199

Compiles by IpMan: https://ipmanchess.yolasite.com/compiles.php