Making the cabal file work
Making the cabal file work

- Added Disintegrate to exposed-modules
- Added various LH.Util.* files to other-modules
  to get rid of "symbol not found" errors
- Moved other LH.Util.* files from exposed to other-modules
- Changed roundtrip-test to be a test-suite again

zaxtax/hakaru,zachsully/hakaru,zachsully/hakaru,suhailshergill/hakaru,bitemyapp/hakaru,zaxtax/hakaru