updated reference output
diff --git a/example/example2.ref b/example/example2.ref
index 8367f20..341fcb2 100644
--- a/example/example2.ref
+++ b/example/example2.ref
@@ -1,91 +1,95 @@
-key: key, value=value
+15
+5
+Example2: No constructor defined!
+can't set attribute
 key: key2, value=value2
 key: key, value=value
+key: key, value=value
 key: key2, value=value2
 Entry at positon 0: value
 list item 0: overwritten
 list item 1: value2
 list item 0: value
 list item 1: value2
-15
-5
-example.Example2: No constructor defined!
-can't set attribute
 This exception was intentionally thrown.
-('test', True)
-(5, 'test', True)
+(u'test', True)
+(5L, u'test', True)
 Help on class Example2 in module example
 
-class EExxaammppllee22(builtins.object)
+class EExxaammppllee22(__builtin__.object)
+ |  Example 2 documentation
+ |  
  |  Methods defined here:
  |  
- |  ____iinniitt____(self, /, *args, **kwargs)
- |      Initialize self.  See help(type(self)) for accurate signature.
+ |  ____iinniitt____(...)
+ |      x.__init__(...) initializes x; see help(type(x)) for signature
  |  
- |  ____nneeww____ = <built-in method __new__ of example.Example2_meta object>
- |  ggeett__ddiicctt(...) from builtins.PyCapsule
- |      Signature : get_dict(Example2) -> dict
+ |  ggeett__ddiicctt(...)
+ |      Signature : (Example2) -> dict
  |      
  |      Return a Python dictionary
  |  
- |  ggeett__ddiicctt__22(...) from builtins.PyCapsule
- |      Signature : get_dict_2(Example2) -> dict<str, str>
+ |  ggeett__ddiicctt__22(...)
+ |      Signature : (Example2) -> dict<str, str>
  |      
  |      Return a C++ dictionary
  |  
- |  ggeett__lliisstt(...) from builtins.PyCapsule
- |      Signature : get_list(Example2) -> list
+ |  ggeett__lliisstt(...)
+ |      Signature : (Example2) -> list
  |      
  |      Return a Python list
  |  
- |  ggeett__lliisstt__22(...) from builtins.PyCapsule
- |      Signature : get_list_2(Example2) -> list<str>
+ |  ggeett__lliisstt__22(...)
+ |      Signature : (Example2) -> list<str>
  |      
  |      Return a C++ list
  |  
- |  nneeww__iinnssttaannccee(...) from builtins.PyCapsule
- |      Signature : new_instance() -> Example2
- |      
- |      Return an instance
- |  
- |  ppaaiirr__ppaasssstthhrroouugghh(...) from builtins.PyCapsule
- |      Signature : pair_passthrough(Example2, (bool, str)) -> (str, bool)
+ |  ppaaiirr__ppaasssstthhrroouugghh(...)
+ |      Signature : (Example2, (bool, str)) -> (str, bool)
  |      
  |      Return a pair in reversed order
  |  
- |  pprriinntt__ddiicctt(...) from builtins.PyCapsule
- |      Signature : print_dict(Example2, dict) -> None
+ |  pprriinntt__ddiicctt(...)
+ |      Signature : (Example2, dict) -> None
  |      
  |      Print entries of a Python dictionary
  |  
- |  pprriinntt__ddiicctt__22(...) from builtins.PyCapsule
- |      Signature : print_dict_2(Example2, dict<str, str>) -> None
+ |  pprriinntt__ddiicctt__22(...)
+ |      Signature : (Example2, dict<str, str>) -> None
  |      
  |      Print entries of a C++ dictionary
  |  
- |  pprriinntt__lliisstt(...) from builtins.PyCapsule
- |      Signature : print_list(Example2, list) -> None
+ |  pprriinntt__lliisstt(...)
+ |      Signature : (Example2, list) -> None
  |      
  |      Print entries of a Python list
  |  
- |  pprriinntt__lliisstt__22(...) from builtins.PyCapsule
- |      Signature : print_list_2(Example2, list<str>) -> None
+ |  pprriinntt__lliisstt__22(...)
+ |      Signature : (Example2, list<str>) -> None
  |      
  |      Print entries of a C++ list
  |  
- |  tthhrrooww__eexxcceeppttiioonn(...) from builtins.PyCapsule
- |      Signature : throw_exception(Example2) -> None
+ |  tthhrrooww__eexxcceeppttiioonn(...)
+ |      Signature : (Example2) -> None
  |      
  |      Throw an exception
  |  
- |  ttuuppllee__ppaasssstthhrroouugghh(...) from builtins.PyCapsule
- |      Signature : tuple_passthrough(Example2, (bool, str, int32_t)) -> (int32_t, str, bool)
+ |  ttuuppllee__ppaasssstthhrroouugghh(...)
+ |      Signature : (Example2, (bool, str, int32_t)) -> (int32_t, str, bool)
  |      
  |      Return a triple in reversed order
  |  
  |  ----------------------------------------------------------------------
  |  Data and other attributes defined here:
  |  
- |  ____iinnssttaannccee__ssiizzee____ = 1
+ |  ____nneeww____ = <built-in method __new__ of Example2_meta object>
+ |      T.__new__(S, ...) -> a new object with type S, a subtype of T
+ |  
+ |  ____ppyybbiinndd____ = <capsule object NULL>
+ |  
+ |  nneeww__iinnssttaannccee = <built-in method new_instance of PyCapsule object>
+ |      Signature : () -> Example2
+ |      
+ |      Return an instance
 
 Destructing Example2