Method: Returns what type (credit card, echeck, etc) of token a token is by ID.

Method: Get classname based on token type.

Method: Get a token object by ID.

Method: Remove a payment token from the database by ID.

Method: Loops through all of a users payment tokens and sets is_default to false for all but a specific token.

Method: Gets valid tokens from the database based on user defined criteria.

Method: Returns an array of payment token objects associated with the passed customer ID.