Changed the initialisation of max_assigned_cost so that it will be updated even if the guessed value for 'cost' is high
Changed the initialisation of max_assigned_cost so that it will be
updated even if the guessed value for 'cost' is high

Avoid getting stuck in a too high or too low aternate costs loop

bnoi/scikit-tracker,bnoi/scikit-tracker,bnoi/scikit-tracker