Programs from Chapter 3 include:

o binheap.p		This is equivalent to Programs 3.1, 3.2, and 3.3
o heapsort.p		This is Program 3.4, p. 141
o union_find.p		This is Program 3.5, p. 163
o leftist_meld.p	This is Program 3.6, p. 181
o skew_meld.p		This is Program 3.7, p. 184
