Changes for version 0.34
- Make compatible with the new Test::Builder (exodist - Chad Granum)
- Backwards-incompatible change: reftype no longer exported by default. See https://github.com/Ovid/test--most/issues/6 (reported by rjattril). This should not be noticed by most users (crosses-fingers).
- defer_plan() has long been deprecated and will be removed in a future release. This release carp()s if you try to call it.