Change the NonEmpty, Identifier and TranslationUnit types. #47

They’re now type wrappers and not type aliases. Also, add the TypeName
type wrapper.

Author: hadronized

src/lib.rs

@@ -29,4 +29,5 @@ extern crate nom;
 pub mod parser;
 mod parsers;
 pub mod syntax;
-pub mod transpiler;
+//pub mod transpiler;
+//pub mod visitor;