added statistics output to the outer loop

Samo Penic

2014-04-07 37d14a0a50ed40f536cc3821b3584552e1b75c5c

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Original written by Dan Kroll in FORTRAN. Code was then largely adapted and commented by Miha Fosnaric-Fosni. Rewritten into C by Samo Penic-Peni, with help of Miha's extensive explanations.