Add a seed for the sse test.

Author: bredelings

tutorials/sse/scripts/mcmc_fBiSSE.Rev

@@ -32,6 +32,7 @@ root_age <- tree.rootAge()
 # vectors for moves and monitors
 moves    = VectorMoves()
 monitors = VectorMonitors()
+seed(3)
 
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 # create parameters for the diversification and serial sampling rates