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Now instead of saying, e.g.
    namebase_if_compiler_lt('ghc','6.9', 'foo-6.8')
you say
    if_compiler_lt('ghc','6.9', namebase('foo-6.8'))

* gadt/lazypatok fails
* tcfail167's error message gets worse; ie, no more
  "Inaccessible case alternative: Can't match types `Char' and `Float'"

Both of these are minor regressions that will be addressed in due time.

- GADT3 fails with equalities instead of GADT refinement due to a known bug