v0.3.1: added various quickslot updates in needed places.

src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Monk.java

@@ -96,6 +96,7 @@ public class Monk extends Mob {
 			if (weapon != null && !(weapon instanceof Knuckles) && !weapon.cursed) {
 				hero.belongings.weapon = null;
 				Dungeon.quickslot.clearItem( weapon );
+				weapon.updateQuickslot();
 				Dungeon.level.drop( weapon, hero.pos ).sprite.drop();
 				GLog.w( TXT_DISARM, name, weapon.name() );
 			}

src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Thief.java

@@ -137,8 +137,8 @@ public class Thief extends Mob {
 		if (item != null) {
 
 			GLog.w( TXT_STOLE, this.name, item.name() );
-
-
+			Dungeon.quickslot.clearItem( item );
+			item.updateQuickslot();
 
 			if (item instanceof Honeypot){
 				this.item = ((Honeypot)item).shatter(this, this.pos);

src/com/shatteredpixel/shatteredpixeldungeon/items/EquipableItem.java

@@ -102,6 +102,7 @@ public abstract class EquipableItem extends Item {
 		if (collect && !collect( hero.belongings.backpack )) {
 			onDetach();
 			Dungeon.quickslot.clearItem(this);
+			updateQuickslot();
 			Dungeon.level.drop( this, hero.pos );
 		}