global: release 0.13.0

Let's get zstd 1.4.4 and packages for Python 3.8 out to the
masses.

Author: indygreg

NEWS.rst

@@ -72,8 +72,8 @@ Other Actions Not Blocking Release
 * API for ensuring max memory ceiling isn't exceeded.
 * Move off nose for testing.
 
-0.13.0 (not yet released)
-=========================
+0.13.0 (released 2019-12-28)
+============================
 
 Changes
 -------

c-ext/python-zstandard.h

@@ -16,7 +16,7 @@
 #include <zdict.h>
 
 /* Remember to change the string in zstandard/__init__ as well */
-#define PYTHON_ZSTANDARD_VERSION "0.13.0.dev0"
+#define PYTHON_ZSTANDARD_VERSION "0.13.0"
 
 typedef enum {
 	compressorobj_flush_finish,

tests/test_module_attributes.py

@@ -15,7 +15,7 @@ class TestModuleAttributes(TestCase):
     def test_version(self):
         self.assertEqual(zstd.ZSTD_VERSION, (1, 4, 4))
 
-        self.assertEqual(zstd.__version__, "0.13.0.dev0")
+        self.assertEqual(zstd.__version__, "0.13.0")
 
     def test_constants(self):
         self.assertEqual(zstd.MAX_COMPRESSION_LEVEL, 22)

zstandard/__init__.py

@@ -72,4 +72,4 @@
     )
 
 # Keep this in sync with python-zstandard.h.
-__version__ = "0.13.0.dev0"
+__version__ = "0.13.0"