Fixes

• #825 send start_sync() signal when querying groups for auto-create purposes
• #834 make TimeoutException a child of AssertionException so we don't show a stack trace
• #837 fix typo in sign engine log message
• #840 push strategy fails with unhandled exception
• e61ec81 Fix issue with all users setting

New Features

• d761c5e Introduce option to limit scope of Adobe-only users to just those that have groups to remove in the current sync. See the manual for more information