Bump version to 3.1.3
Jewelry is now 2x as common when playing a Ring. BM now uses the same object selection algorithm as dungeon drops use.
Rings: Sleeping monsters no longer automatically become aware if the player is riding in LOS
Pets: Fixed bug when leaving some of your pets summons behind when leaving a level
Rings: Detect Jewelry now detects for the entire level
Merge branch 'develop'