pulled out rax_auth and made it configurable
added more error handling and fixed missing auth reference
added printstatements
now retries on 401 errors
added test config
fixed up test config
fixed no_auth tests
added reauth tests and fixed corresponding bugs
added UTC expiration test
added mocking function
fixed mock to not depend on string interning
fix to use snake case where appropriate
updated curl example
Added env vars to make the tests configurable, also make
the auth class configurable
Merge pull request #384 from rackerlabs/graphite_compat_next2

Make finder auth configurable