  * Changed collection used to hold Edges from HashSet into Vector.     This allows for multiple occurences of the same Edge.   * Added compareTo implementation to inner class Compare, so it can     be used by SortedSets
  * Changed collection used to hold Edges from HashSet into Vector.
    This allows for multiple occurences of the same Edge.
  * Added compareTo implementation to inner class Compare, so it can
    be used by SortedSets


cwi-swat/jjtraveler,cwi-swat/jjtraveler