Perl added to the Unified typemap library, cleaner way to use the library, and 'normalized' macro names

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7707 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/python/.cvsignore

@@ -456,3 +456,6 @@ li_implicit.py
 director_wstring.py
 immutable.py
 inherit.py
+empty.py
+virtual_derivation.py
+langobj.py

SWIG/Examples/test-suite/python/langobj_runme.py

@@ -0,0 +1,7 @@
+from langobj import *
+
+
+x ="hello"
+
+if identity(x) != x:
+    raise RuntimeError