Fix SpecialItem

src/de/steamwar/misslewars/items/SpecialItem.java

@@ -111,6 +111,8 @@ public abstract class SpecialItem {
 
 	public static ItemStack getRandomItem() {
 		double missileChance = Config.MissileChance + count * 0.1;
+		if (Config.MissileChance == 0) missileChance = 0.0;
+		if (Config.MissileChance == 1) missileChance = 1.0;
 		if (random.nextDouble() > missileChance) {
 			count++;
 			return supportItems.get(random.nextInt(supportItems.size())).getItem();