/// By Julian Nguyen
 /// Edited: Julian Nguyen(5/7/13)
 /// <summary>
 /// Load the ADT of key value pairs from file.
 /// </summary>
 /// <param name="path"></param>
 public KeyValuePairDataBase(String path)
 {
     _xmlLoader = new XmlLoader();
     loadAndOverwriteFromFile(path);
 }
 /// By Julian Nguyen
 /// Edited: Julian Nguyen(5/7/13)
 /// <summary>
 /// A new ADT of key value pairs
 /// </summary>
 public KeyValuePairDataBase()
 {
     _xmlLoader = new XmlLoader();
     _kvMap     = new Dictionary <string, string>();
 }