Update version/release date for 1.1.2

CHANGES

@@ -1,4 +1,4 @@
-1.1.2 UNRELEASED
+1.1.2 2019-09-23
  - Fix variable initialization so mailformed mails missing body From do not
    cause a traceback (LP: #1844161)
  - Catch more ascii encoding errors to improve resilience against bad data

setup.py

@@ -30,7 +30,7 @@ except ImportError:  # If PyDNS is not installed, prefer dnspython
 
 setup(
     name='dkimpy-milter',
-    version='1.1.1',
+    version='1.1.2',
     author='Scott Kitterman',
     author_email='[email protected]',
     url='https://launchpad.net/dkimpy-milter',