correct supported python versions

Author: RonnyPfannschmidt

CHANGELOG.rst

@@ -13,6 +13,7 @@ v4.0.0
 * enable getting a version form a parent folder prefix
 * add release-branch-semver version scheme
 * make global configuration available to version metadata
+* drop official support for python 3.4
 
 v3.5.0
 ======

setup.cfg

@@ -15,6 +15,7 @@ classifiers=
     Intended Audience :: Developers
     License :: OSI Approved :: MIT License
     Programming Language :: Python
+    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6