Added Python versions to setup.py classifiers.

Author: mauritsvanrees

setup.py

@@ -56,13 +56,20 @@ def get_text_from_file(fn):
           get_text_from_file("README.rst"),
           get_text_from_file("HELP.rst"),
           get_text_from_file("CHANGES.rst")]),
-      # Get more strings from http://www.python.org/pypi?%3Aaction=list_classifiers
+      # Get more strings from https://pypi.org/classifiers/
       classifiers=[
+          "Development Status :: 5 - Production/Stable",
           "Programming Language :: Python",
+          "Programming Language :: Python :: 2",
+          "Programming Language :: Python :: 2.7",
           "Programming Language :: Python :: 3",
+          "Programming Language :: Python :: 3.4",
+          "Programming Language :: Python :: 3.5",
+          "Programming Language :: Python :: 3.6",
+          "Programming Language :: Python :: 3.7",
           "Framework :: Buildout",
           "Topic :: Software Development :: Libraries :: Python Modules"],
-      keywords='',
+      keywords='buildout extension vcs git develop',
       author='Florian Schulze',
       author_email='[email protected]',
       url='http://github.com/fschulze/mr.developer',