Remove printing if Decref is called with NULL. Rename Decref/Incref to XDecref/XIncref#275

Merged

den-run-ai merged 4 commits intopythonnet:masterfrom

ArvidJB:constructorbinding_repr_refcount

Oct 29, 2016

Commits on Oct 19, 2016

Do not call Decref if self.repr is still IntPtr.Zero
abessen
committed

Commits on Oct 20, 2016

Same self.repr null check in ConstructorBinding.tp_dealloc
abessen
committed

Commits on Oct 27, 2016

Rename Runtime.Incref/Decref to XIncref/XDecref to signal that they check for NULL
abessen
committed
Add missing changes for Python 2
abessen
committed