Function DataSet_new

src/thundersvm/svm_interface_api.cpp:17–17

extern "C" {
    DataSet* DataSet_new() {return new DataSet();}
    //void DataSet_load_from_python(DataSet *dataset, float *y, char **x, int len) {dataset->load_from_python(y, x, len);}
    void thundersvm_train_sub(DataSet& train_dataset, CMDParser& parser, char* model_file_path){
        SvmModel *model = nullptr;