Issue #1868980 by grendzy: Fixed DrushDriver: ANSI color output confuses XML parsers.
Issue #1867812 by Amitaibu: Added Set drush to @self by default.
Issue #1858858 by itamar: Added Store created user ID in DrupalContext::.
Issue #1857238 by RoSk0: Fixed Impossible to login, logout and login again.