Update updated classifiers

Author: oschwald

setup.py

@@ -38,7 +38,7 @@
     test_suite="tests",
     license=geoip2.__license__,
     classifiers=(
-        'Development Status :: 3 - Alpha',
+        'Development Status :: 5 - Production/Stable',
         'Environment :: Web Environment',
         'Intended Audience :: Developers',
         'Intended Audience :: System Administrators',
@@ -47,6 +47,7 @@
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python',
         'Topic :: Internet :: Proxy Servers',
         'Topic :: Internet',