Haskell interface: add IOScheme
Merge branch 'haskell' of github.com:casadi/casadi into haskell
autogencode: ref argument -> const ref argument
Merge branch 'haskell' of github.com:casadi/casadi into haskell
Haskell interface: avoid suffixes for IOscheme helpers
Haskell interface: differentiate between tools and IOSchemehelpers
Merge branch 'haskell' of github.com:casadi/casadi into haskell