add the 'naturalvar' option/mode/feature, to allow member variables to be treated in a natural way, as the global ones. This mean use the const SWIGTYPE &(C++)/SWIGTYPE(C) typemaps instead of the plain SWIGTYPE * typemap for the set/get methods.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8089 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/python/naturalvar_runme.py

@@ -0,0 +1,12 @@
+from naturalvar import *
+
+f = Foo()
+b = Bar()
+
+b.f = f
+
+cvar.s = "hello"
+b.s = "hello"
+
+if b.s != cvar.s:
+    raise RuntimeError