Remove tests/fixtures. Those files are now in /assertions
De-vendorized visitor baseclass....bad for test coverage.
Make references to client and session lazy, and shared among objects
Moved client sleepery into config options
Housekeeping
Enable ChainLookup users to access logger.exception
Move retry code into a function
More make logger.exception available to child types
Deleting usused settings garbage
Display console output while running tests, so it doesn't appear like nothing is happening
Sleep while running scrape tests, so as not to destroy legistar
Add docs to Client.retry
Remove old test
Get events connected up to pupa