message: Add `add_int()` to `RowFuncs`
diff: @@ -96,6 +96,7 @@ public:
  void set_int(size_t col_ndx, int_fast64_t value);
  void set_int_unique(size_t col_ndx, int_fast64_t value);
  + void add_int(size_t col_ndx, int_fast64_t value);
  void set_bool(size_t col_ndx, bool value);
  void set_float(size_t col_ndx, float value);
  void set_double(size_t col_ndx, double value);
  @@ -495,6 +496,12 @@ inline void RowFuncs<T, R>::set_int_unique(size_t col_ndx, int_fast64_t value)
  table()->set_int_unique(col_ndx, row_ndx(), value); // Throws
  }
  +template <class T, class R>
  +inline void RowFuncs<T, R>::add_int(size_t col_ndx, int_fast64_t value)
  +{
  + table()->add_int(col_ndx, row_ndx(), value); // Throws
  +}
  +
  template <class T, class R>
  inline void RowFuncs<T, R>::set_bool(size_t col_ndx, bool value)
  {
  