ToDo

For debugging without graphics,
dlv test --build-flags "-tags=no_gfx"

In dorun.go

* do we have the random number seed as a settable parameter ?

* make the csv files optional

Note.. Benchmarking suggests that most of the time is spent in Ackley function, and, to be exact, in the cosine and exp() function.

In the plottin functions,
Put a secondary axis on the X trajectory or check out multiplots so that the two plots line up with each other.