+ `second_factor` renamed to `validate_second_factor`
+ Tables in database `authenticationsession`, `captchasession`, and `twostepsession` have been renamed to `authentication_session`, `captcha_session`, and `two_step_session` to conform with convention. New tables will be generated or current tables must be renamed
+ Unit test changes
+ More account retrieval methods such as retrieving via phone or username
+ Documentation revisions