Add CNF input test file
Merge branch 'master' of github.com:BNFC/bnfc
add CNF test input
compute the neighbors on the grammar without null rules
Merge pull request #44 from gdetrez/ocaml-makefile

Update the OCaml Makefile (closes #21)
A proposed refactoring of the option parsing code
Share option parsing between all haskell backend

Note: I am pretty sure that TargetHaskellGadt and TargeProfile only
support a subset of those options but the old help screen seems to imply
that they should