v0.0.27

What's New:

• Can now place doubles properly and connect to doubles.
• AI ruleset is done. (Note: edge detection will be uploaded later)
• New rotation for double pieces

Fixed: 

• Various bugs with placing doubles.
• AI sometimes places a domino on top of an already played domino.
• AI freezes the game if it couldn't find a move.
• AI freezes if it tries to calculate a move for a double.
• AI sometimes freezes on the second cycle around the board.
• AI freezes when restarting the scene with the "R" key.