BLANK v1.3.0

• Improved search tree pruning
  • Extended Futility Pruning
  • Static Null Move Pruning
• Implemented 50-Move rule and insufficient material draw logic
• Adopted a more aggressive null-move pruning approach by increasing reduction constant at higher depths
• Quiescence search now probes transposition table and has the hash move prioritised.
• Silent moves with no scores assigned are placed at a lower priority and
  ordered based on PSQT change during move ordering
• Added a seed to generate a fixed set of Zobrist keys.
• Minor bug fixes