qa/new: improved
qa/new: improved

- -s (pick smallest available), -v (verbose) and -n (show me, do nothing)
  options added
- algorithm changed from hash and linear search to repeated hash (up to 200
  attempts)

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp