… is actually required)
If a parameter is passed to Retrieve customer that isn't an auth key, the library incorrectly assumed it was a account id. Updated the check to ensure that a function could be passed in as a sole argument and it would retrieve the account for the pre-set api key. Fixed #147
… and update methods to BitcoinReceiever
…ebird. Version bump.
… source object
…dundant typing of "bitcoin" - updated README - support retrieval of metadata and setting (only on creation)