lemon/bucket_heap.h
2010-03-06 Unify the sources (#339)
2009-07-08 Unify member names in heaps (#299)
2009-07-08 Move the heaps to a separate group (#299)
2009-07-08 Improve and unify the documentation of heaps (#299)
2009-06-11 Unification of names in heaps (#50)
2009-06-11 Simplified implementation of bucket heaps (#50)
2009-06-11 Port remaining heaps from SVN -r 3509 (#50)