Bump version to 0.1.0.1
track integer-gmp and add 'divInteger', 'modInteger'
Define testBitInteger; part of #3489. Patch from pumpkingod@gmail.com
fix typo
Add comment to .cabal file saying what GHC 7.6.1 shipped with
Bump version number following new policy

We now keep the HEAD version numbers as values which would be suitable
for immediate release.