adding exception class
adding custom errors
version bump, local request checks for non v1/v3 apis, cleanup of 503 check in validator
made 'has_service_unavailable_indicator' not required
cubscout
add 503 test
removing ability to add custom error
adding Changelog
changelog description
changelog description
removing boyscout
Merge pull request #160 from cbdr/auth_outage_error_handling

Auth outage error handling
merge conflicts