added tests for python nary or, and
added tests for python nary or, and

finnhaedicke/metaSMT,hoangmle/metaSMT,hoangmle/metaSMT,agra-uni-bremen/metaSMT,agra-uni-bremen/metaSMT,finnhaedicke/metaSMT,finnhaedicke/metaSMT,nbruns1/metaSMT,nbruns1/metaSMT,agra-uni-bremen/metaSMT,hoangmle/metaSMT,nbruns1/metaSMT