uber/doubles — pull request #16 by toddsifleet (2014-07-16 20:10:02+00:00)
Title: Accept variable arguments to #and_return

* Fixes #15
* (Allowance|Expectation)#and_return accept any number of arguments to
they are then returned in order.
* If the double is called more times than there are return values, it
continues to return the last value in the list.