code: def get_entries(directory_or_file, entry_path, ignore_entries)
              if File.directory? directory_or_file
                  get_dir_entries_recursively(directory_or_file, entry_path, ignore_entries)
              else
                  FileEntry.new(directory_or_file, false, entry_path)
              end
          end
docs: Creates +FileEntry+ for file or array of entries for directory and subdirectories
   Params:
   +directory_or_file+:: path to directory or file
   +entry_path+:: path with which the entry should be put into zip