Add SweepstakesTest (skeleton)

This is going to be good.
Add Sweepstakes test: linkSweepstakes

That was the easy part.

Now comes assignPoints, which will probably be ridiculously involved.

(See: FractionTest.testAddFraction() for a historical example.)
Add simple (no tie) cases for Sweepstakes test: assignPoints

We are just getting started with this test case. It might turn out
bigger than FractionTest.testAddFraction().

Imagine that.
Add organizational subheadings for testAssignPoints

I'm talking about adding more subheadings, like

// Simplest cases,

within the 

// CONDENSED LENGTH ARRAYS //

and

// RESULTS ARRAYS //

macro-headings. (I've already got this scheme going in TEST CODE.)
Add TiePlaceAssignment testing to SweepstakesTest.testAssignPoints

Two stages: first cross-checks TPA with equivalent SA, second
cross-checks TPA with expected results. By transitive equality, this
means that the results from TiePlaceAssignment and the equivalent
SweepstakesAssignment all check out according to a human observer (me).