Add the 'group' function for creating option groups.

This was supposed to have been created long ago, but it was forgotten.
1 file changed
tree: e6ef1d9640e85fe005cb6ad8aa01f98932184e1a
  1. Setup.hs
  2. cbits/
  3. lib/
  4. license.txt
  5. options.cabal
  6. tests/