It didn't like passing reference to something that could be treated as a value.

Variables is noncopyable but default copy constructor was apparently working in VS.

Each subsequent rule was reusing variables object, which wasn't good.
Parsing of sequences had to be changed not to end with semi,
and it wasn't actually passing on lexicons in the first place.

Removed corpus2 wrappers from wccl wrappers  (wccl includes corpus2 wrappers from /usr/share/swig1.3/libcorpus)