Add block param to config section in README
Merge pull request #14 from wam/update-readme-to-fix-config-section

Add block param to config section in README
Fix validations and add tests for it
Fix callbacks tests
Fix mock data for test_has_timeline test
Remove invalid serialization test
Fix UserModel tests
Fix associations tests
Keep old version of find_by_email, it's working with live tests
Some fixes for JRuby
Fix users.json fixture and associated tests
More fixes in tests for JRuby
List json gem as dependency
Add .ruby-version to .gitignore
Add Gemfile
Add Compatibility section to README
Optional logger for instrumenting calls.
Env variables for turning on logging as well as response logging.
Update lib/fauna/model.rb

remove blanket rescue
Update lib/fauna/model/user.rb

external_id