When you import a CSV, Sheetful now shows a column-matching step. Each field has a menu of your file's own column names, filled in where Sheetful recognized one. Pick a different column if the guess is wrong, or choose one where Sheetful found none. A file that keeps money out and money in in two columns works too.
Under the menus, the first rows of your file show how they will import, so you can see the result before anything is saved.