<p>Looks good to me, but this does break AllkRANNTest/NaiveSearchExact (in <code>allkrann_search_test.cpp</code>), which actually has a comment to the effect of "if the random number generator changes, this test breaks".  Sigh...</p>

<p>So that test needs to be rewritten.  All of the other tests appear to be fine.  I've added that to my queue of things to do...</p>

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