NewStore constructs a Store for api access.

ErrAuthenticationFailure occurs when a user attempts to authenticate but anything goes wrong.

ErrDuplicateEmail occurs when a user tries to signup with an email address that's already in use.

ErrForbidden occurs when a user tries to do something that is forbidden to them according to our access control policies.

ErrInvalidCredentials occurs when a user tries to login with an incorrect email address or password.

ErrInvalidID occurs when an ID is not in a valid form.

ErrNotFound is used when a specific User is requested but does not exist.

Info represents information about an individual user.

NewUser contains information needed to create a new User.

Store manages the set of API's for user access.

UpdateUser defines what information may be provided to modify an existing User.