Refactor serializers
Ignore tags file
Reorganize betamax.cassette
Remove unnecessary file
Add connection attribute to a generated response
Add regression test for digest auth fix

- It fails
Attempt to fix how cookies are handled and faked out
Add properly recorded cassette using digest authentication and cookies
Re-organize matchers
Ignore build and distribution directories
Add DigestAuthMatcher
Use digest-auth matcher to fix test
Clean up tests
Merge branch 'fix-prepared-cookies' into 'master'

Fix issues discovered with HTTPDigestAuth