Fixed incorrect method call.

Added tests to make sure that this doesn't happen.

src/main/java/ca/recrown/islandsurvivalcraft/Utilities.java

@@ -67,6 +67,6 @@ public class Utilities {
     }
 
     public static Point2 worldToLocalChunkCoordinates(Point2 worldCoordinates) {
-        return worldToChunkCoordinates(worldCoordinates.x, worldCoordinates.y);
+        return worldToLocalChunkCoordinates(worldCoordinates.x, worldCoordinates.y);
     }
 }