Move to version 1.5.0 (in development)

Also start the changelog for this next release.

CHANGELOG.rst

@@ -1,3 +1,9 @@
+Version 1.5.0 (in development)
+------------------------------
+* The ``URL_PREFIX`` environment variable can be used to add a prefix to URLs,
+  which is useful when running behind a reverse proxy like nginx.
+* Replaced mockredis with fakeredis in the unit test environment.
+
 Version 1.4.2
 -------------
  * Various minor README and documentation improvements

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name='snappass',
-    version='1.4.2',
+    version='1.5.0.dev0',
     description="It's like SnapChat... for Passwords.",
     long_description=(open('README.rst').read() + '\n\n' +
                       open('AUTHORS.rst').read()),