/// <summary>
		/// Checks if the given sprite is already in the  boneskin array property
		/// </summary>
		public bool ContainsSprite( Sprite s )
		{
			foreach ( SpriteBoneSkin config in boneSkins )
			{
				if( ( config.spriteAsset == null && s == null )
				   || ( config.spriteAsset != null 
				    && s != null
				    && config.spriteAsset.GetInstanceID() == s.GetInstanceID() ) )
				{
					return true;
				}
			}
			
			return false;
		}