Method writeArray

src/utils/binaryFile.h:103–107

      template<typename T>
      void writeArray(const T* arr, size_t count) {
        for(size_t i=0; i<count; ++i) {
          write(arr[i]);
        }
      }

      void writeAs(const std::string &str, DataType type) {
        switch(type) {