Bump version to 3.44.9 and update changelog

[skip ci]

Author: Travis CI User

RELEASE.rst

@@ -21,6 +21,16 @@ Hypothesis APIs come in three flavours:
 You should generally assume that an API is internal unless you have specific
 information to the contrary.
 
+-------------------
+3.44.9 - 2018-01-06
+-------------------
+
+This patch blacklists null characters (``'\x00'``) in automatically created
+strategies for Django :obj:`~django:django.db.models.CharField` and
+:obj:`~django:django.db.models.TextField`, due to a database issue which
+`was recently fixed upstream <https://code.djangoproject.com/ticket/28201>`_
+(Hypothesis :issue:`1045`).
+
 -------------------
 3.44.8 - 2018-01-06
 -------------------

docs/changes.rst

@@ -17,5 +17,5 @@
 
 from __future__ import division, print_function, absolute_import
 
-__version_info__ = (3, 44, 8)
+__version_info__ = (3, 44, 9)
 __version__ = '.'.join(map(str, __version_info__))