v0.4.0 Optimized AI

Primairly focused on the AI improvements in both strength and speed.

Managed to make the AI both stronger and faster by implementing the following changes:

• Various evaluation function improvements
• PVS/negamax
• Nullsearch
• MCTS

v0.3.0 Advanced AI

Implemented the following changes

• Restructure chess backend
• Improve move ordering
• Improve evaluation

Huge increase in performance as a result of these changes.

v0.1.0 - Dummy AI

The first milestone in create a chess AI.

Only the chess engine and a dummy AI is implemented.