Simple Rule based AI created

Created an AI that is capable of making some intelligent moves based on the situation. The AI has yet to win a game.

 - The AI can do pathfinding to get shortest route
 - Prioritize what flooded tiles are most important
 - Designate what players should be given what cards
 - Discard cards that are of the least value
 - Move to and capture treasure when a player has 4 cards

To do:
 Improve decision making for:
 - Using special cards
 - Choosing what tile to fly to
 Add these:
 - Navigator move
 - Diver move ability for pathfinding
 - Move to Fools landing when treasures are captured
 - Win game condition