Implement nqp::p6captureouters.
Fix a few type-os.
3 more files we now parse/build AST for.

Note that this doesn't mean we can actually compile them, just that
the parser and actions survive. Some will blow up if we could get any
further (blocked by mysteries for now, though) due to use pir:: and
so forth (which parses, but obviously wouldn't actually compile).