Added bed events and methods.

By: sk89q <the.sk89q@gmail.com>

paper-api/src/main/java/org/bukkit/entity/HumanEntity.java

@@ -45,4 +45,18 @@ public interface HumanEntity extends LivingEntity {
      *
     public void selectItemInHand( int index );
     */
+    
+    /**
+     * Returns whether this player is slumbering.
+     * 
+     * @return slumber state
+     */
+    public boolean isSleeping();
+    
+    /**
+     * Get the sleep ticks of the player. This value may be capped.
+     * 
+     * @return slumber ticks
+     */
+    public int getSleepTicks();
 }