def dump(self):
        """Returns the results in string format."""
        text = ''

        for result in self.objects:
            if result.is_failure or result.is_error:
                text += '\n#{red}#{bright}'
                text += '{}\n'.format(''.ljust(79, '='))

                status = 'FAILED' if result.is_failure else 'ERROR'
                text += '{}: {}\n'.format(status, result.process)
                text += '{}\n#{{reset_all}}'.format(''.ljust(79, '='))

                if result.output:
                    text += result.output

                if result.error:
                    if result.output:
                        text += '\n{}\n'.format(''.ljust(79, '-'))
                        text += 'Additional error output:\n'
                        text += '{}\n'.format(''.ljust(79, '-'))
                    text += result.error

                if not text.endswith('\n'):
                    text += '\n'

        if self.has_modified_files:
            text += '\n#{{yellow}}#{{bright}}{}\n'.format(''.ljust(79, '-'))
            text += 'Modified files:\n'
            text += '{}\n'.format(''.ljust(79, '-'))
            for path, modified_by in self.modified_files:
                text += '#{{reset_all}}{} #{{cyan}}<- {}\n'.format(path, ', '.join(modified_by))

        return text
Returns the results in string format.