restructure to make the callback private
restructure to make the callback private

rodsol/relex,williampma/relex,williampma/relex,ainishdave/relex,virneo/relex,williampma/relex,AmeBel/relex,rodsol/relex,anitzkin/relex,anitzkin/relex,AmeBel/relex,rodsol/relex-temp,leungmanhin/relex,ainishdave/relex,anitzkin/relex,virneo/relex,rodsol/relex-temp,linas/relex,linas/relex,ainishdave/relex,opencog/relex,rodsol/relex-temp,opencog/relex,opencog/relex,AmeBel/relex,linas/relex,leungmanhin/relex,rodsol/relex,rodsol/relex,anitzkin/relex,rodsol/relex-temp,rodsol/relex-temp,leungmanhin/relex,virneo/relex,virneo/relex,ainishdave/relex,anitzkin/relex,williampma/relex