Fix crash when pitch is not finite.

Also, accept "minecraft:white_dye" type format for item types.

src/main/java/com/laytonsmith/abstraction/bukkit/BukkitConvertor.java

@@ -300,6 +300,9 @@ public MCItemStack GetItemStack(String type, int qty) {
 		if(mat == null) {
 			mat = BukkitMCLegacyMaterial.getMaterial(type);
 		}
+		if(mat == null) {
+			mat = Material.matchMaterial(type);
+		}
 		if(mat == null) {
 			return null;
 		}
@@ -679,8 +682,8 @@ public static MCItemMeta BukkitGetCorrectMeta(ItemMeta im) {
 	public MCInventory GetEntityInventory(MCEntity e) {
 		Entity entity = ((BukkitMCEntity) e).getHandle();
 		if(entity instanceof InventoryHolder) {
-			if(entity instanceof Player) {
-				return new BukkitMCPlayerInventory(((Player) entity).getInventory());
+			if(entity instanceof Player p) {
+				return new BukkitMCPlayerInventory(p.getInventory());
 			}
 			return new BukkitMCInventory(((InventoryHolder) entity).getInventory());
 		}

src/main/java/com/laytonsmith/core/functions/EntityManagement.java

@@ -470,6 +470,9 @@ public Mixed exec(Target t, Environment environment, Mixed... args) throws Confi
 				throw new CREFormatException("An array was expected but received " + args[1], t);
 			}
 			try {
+				if(!Float.isFinite(l.getPitch())) {
+					throw new CREIllegalArgumentException("pitch not finite", t);
+				}
 				return CBoolean.get(e.teleport(l));
 			} catch (IllegalArgumentException ex) {
 				throw new CREIllegalArgumentException(ex.getMessage(), t);

src/main/java/com/laytonsmith/core/functions/InventoryManagement.java

@@ -2148,7 +2148,7 @@ public Integer[] numArgs() {
 
 		@Override
 		public String docs() {
-			return "int {specifier, itemArray} Add to inventory the specified item."
+			return "int {mixed specifier, array itemArray} Add to inventory the specified item."
 					+ " The specifier must be a location array, entity UUID, or virtual inventory id."
 					+ " The items are distributed in the inventory, first filling up slots that have the same item type,"
 					+ " up to the max stack size, then fills up empty slots, until either the entire inventory is filled,"