Make failure types for .base more specific and test base(1) has right X::
Make failure types for .base more specific and test base(1) has right X::

Make sure .base(1) throws X::OutOfRange
RT 130753 Gives divide by zero error when trying to .base a fractional num of base 1

dogbert17/roast,perl6/roast,bitrauser/roast,dogbert17/roast,bitrauser/roast