Increment version number.
Rename MethodSignature to Expectation.
Adjust code whitespace.
Move .args() from Mock to Expectation.
Extract method _save_args().
Remove unused method _set_args_for_current_expectation().
Move .returns() from Mock to Expectation.
Extract method _save_returns().
Retire unused method _set_return_for_current_expectation().
Retire unused method _throw_returns_must_be_after_expects_or_args().
Move .throws() from Mock to Expectation.
Extract method _save_throws().
Retire unused method _set_throws_for_current_expectation.
Retire unused method _throw_throws_must_be_after_expects_or_args.
Correct some comments due to recent changes.
Retire unused @state attribute from Mock.
Separate private methods, trim trailing whitespace.
Add .expects() to Object.prototype (WIP).
Add TODO.txt
Pass regular objects rather than Mocks to test function.