claim Python 3 support in setup.py

Author: vinta

setup.py

@@ -15,8 +15,8 @@
     packages=find_packages(),
     include_package_data=True,
     zip_safe=False,
-    install_requires = [
-        "django >= 1.4",
+    install_requires=[
+        "django >= 1.4, < 1.7",
         "boto >= 2.5",
         "South >= 0.8",
     ],
@@ -25,6 +25,9 @@
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 2",
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Environment :: Web Environment",
         "Framework :: Django",