v0.8.0: bugfixes:

- Hero FOV not being updated after they are pulled by golems
- Necromancer skeletons counting towards mob spawn limits
- New Tengu taking damage during phase 2 in rare cases
- Keybindings window not accepting unbound keys.

SPD-classes/src/main/java/com/watabou/noosa/ui/Button.java

@@ -78,7 +78,7 @@ public class Button extends Component {
 	private Signal.Listener<KeyEvent> keyListener;
 	
 	public GameAction keyAction(){
-		return GameAction.NONE;
+		return null;
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Golem.java

@@ -139,6 +139,7 @@ public class Golem extends Mob {
 			ScrollOfTeleportation.appear(enemy, bestPos);
 			if (enemy instanceof Hero){
 				((Hero) enemy).interrupt();
+				Dungeon.observe();
 			}
 		}
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Necromancer.java

@@ -344,7 +344,12 @@ public class Necromancer extends Mob {
 			//20/25 health to start
 			HP = 20;
 		}
-		
+
+		@Override
+		public float spawningWeight() {
+			return 0;
+		}
+
 		private void teleportSpend(){
 			spend(TICK);
 		}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewTengu.java

@@ -113,9 +113,22 @@ public class NewTengu extends Mob {
 	public int drRoll() {
 		return Random.NormalIntRange(0, 5);
 	}
-	
+
+	//Tengu is immune to debuffs and damage when removed from the level
+	@Override
+	public void add(Buff buff) {
+		if (!Dungeon.level.mobs.contains(this)){
+			return;
+		}
+		super.add(buff);
+	}
+
 	@Override
 	public void damage(int dmg, Object src) {
+		if (!Dungeon.level.mobs.contains(this)){
+			return;
+		}
+
 		NewPrisonBossLevel.State state = ((NewPrisonBossLevel)Dungeon.level).state();
 		
 		int hpBracket = 20;
@@ -171,7 +184,7 @@ public class NewTengu extends Mob {
 	public boolean isAlive() {
 		return HP > 0 || Dungeon.level.mobs.contains(this); //Tengu has special death rules, see prisonbosslevel.progress()
 	}
-	
+
 	@Override
 	public void die( Object cause ) {