Release Notes

0.2.11   -added confirmation dialog
            -implemented confirmation dialog for dropping items via circle menus in
             dungeon inventory
            -started ai framework
            -added some basic thinking about melee combat and running away to
             ai_stupid_melee
0.2.12   -added real pathfinding
            -made pathfinding respect other actors and objects
            -runtime optimization for pathfinding
            -started ranged ai
0.2.13   -further pathfinding optimization in preperation to using the same algorithm
             for multitile dungeon movement (test case in DEBUG mode on large battlefield
             44ms -> 32ms)
            -ranged ai
            -pathfinding for ranged combat
            -fixed bug in battlefield los check
            -fixed bug when wrong or no ammo is equipped for ranged combat
            -added multitile dungeon movement