added "ToString" to Methodnames generating strings as preparation for generating result_types instead of strings
added "ToString" to Methodnames generating strings
as preparation for generating result_types instead of strings

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