# File lib/kirbybase.rb, line 1418
    def rename_table(old_tablename, new_tablename)
        old_full_path = File.join(@db.path, old_tablename.to_s + @db.ext)
        new_full_path = File.join(@db.path, new_tablename.to_s + @db.ext)
        File.rename(old_full_path, new_full_path)    
    end