+	changed all the $b variables (HTMLBuilder) to $hbo so we no longer have 	conflicts between that and perl's ($a and) $b sort variables.
+	changed all the $b variables (HTMLBuilder) to $hbo so we no longer have
	conflicts between that and perl's ($a and) $b sort variables.

+	changed the getCollsWithRef subroutine so that the collection numbers are
	displayed sorted (so they'll be mixed bold and regular: primary/secondary)


paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new