parse ObjC files, simply (imports / bodies)
.
Haskell calls Objective-C via objc_implementation!

non-built-in types need typename for parsing without imports
e.g. `typename NSString`
include NatLink (licensing?)
txt
cleaning

re-factor via `type Possibly a = (Monad m) => m a`
needs `Rank2Types`

publicize private module for HLint