///<summary>
 /// Removes an entry from the updater.
 ///</summary>
 ///<param name="entry">Entry to remove.</param>
 public void Remove(MobileCollidable entry)
 {
     entries.Remove(entry);
 }
 ///<summary>
 /// Adds an entry to the updater.
 ///</summary>
 ///<param name="entry">Entry to add.</param>
 public void Add(MobileCollidable entry)
 {
     //TODO: Contains check?
     entries.Add(entry);
 }