Swig wrapper updates

swig/parser.i

@@ -147,7 +147,7 @@ namespace Wccl {
     
 /* --------------------------------------------------------------------- */
 
-    const Corpus2::Tagset& tagset() const;
+    const boost::shared_ptr<const Corpus2::Tagset> tagset() const;
   };
 }
 

swig/wcclfile.i

@@ -275,7 +275,7 @@ namespace Wccl {
     /* --------------------------------------------------------------------- */
     /* --------------------------------------------------------------------- */
 
-    const Corpus2::Tagset& tagset() const;
+    const boost::shared_ptr<const Corpus2::Tagset> tagset() const;
 
     /*
     // const PwrNlp::PathSearcher<Wccl::FileNotFound> path() const { return path_; }