Fix issue

Author: BenCodez

SimpleAPI/src/main/java/com/bencodez/simpleapi/skull/SkullCacheHandler.java

@@ -11,6 +11,7 @@
 import org.bukkit.inventory.ItemStack;
 
 import lombok.Getter;
+import lombok.Setter;
 
 public abstract class SkullCacheHandler {
 	@Getter