add (inefficient) implementations of divMod and quotRem

AccelerateHS/accelerate#171
also export divMod, quotRem

*sigh*
add error when using the Prelude version of `divMod`, `quotRem`

AccelerateHS/accelerate#171
add quotRem and divMod to the scalar language

AccelerateHS/accelerate#171
add script to upload hackage documentation

Stolen from ekmett/lens
changelog: fix typo
Merge pull request #209 from jiahao/patch-1

changelog: fix typo
Remove StableName debugging stuff.  Woops.
Merge branch 'master' into sequences