Added AStar pathfinding framework
Merge branch 'master' into astar
Merge branch 'master' into astar
Improved neighbor generation when building the nodes for pathfinding. Will only link to appropriate neighbors now.
Nodes now only generate the correct neighbors with respect to tile entry points and the Impassable setting
Refactored the pathfinding code to its own class. Added documentation.
Merge pull request #10 from behindcurtain3/astar

Astar Pathfinding