Make ucpp push out pseudo-tokens (tokenized #if, #define, etc.)

```
See:
Issue 1, Comment 2 (http://code.google.com/p/ucpp/issues/detail?id=1#c2)
Issue 1, Comment 3 (http://code.google.com/p/ucpp/issues/detail?id=1#c3)

Example:

#ifdef __NO_INCLUDE_ME__
...

should produce

SHARP, NAME=ifdef, NAME=__NO_INCLUDE_ME__
```

Original issue reported on code.google.com by `lpsan...@gmail.com` on 3 Mar 2009 at 7:09
