Changes for version 0.45
- Andy Lester made the SKIP & TODO docs a bit clearer.
- Explicitly disallowing double plans. (RT #553)
- Kicking up the minimum version of Test::Harness to one that's fairly bug free.
- Made clear a common problem with use_ok and BEGIN blocks.
- Arthur Bergman made Test::Builder thread-safe.
- Test::Tutorial - A tutorial about writing really basic tests