change behaivour of MDP.bellmanOperator
change behaivour of MDP.bellmanOperator

yasserglez/pymdptoolbox,yasserglez/pymdptoolbox,silgon/pymdptoolbox,sawcordwell/pymdptoolbox,McCabeJM/pymdptoolbox,silgon/pymdptoolbox,McCabeJM/pymdptoolbox,sawcordwell/pymdptoolbox