Get all attributes for an entity.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Refactoring and adding more test coverage.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Fixing problems with authorization code and implicit grants. Refactoring and updating tests.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>