Boast moar compatibility

Author: mattrobenolt

README.md

@@ -40,4 +40,7 @@ Parse JavaScript source maps.
  * Python 2.6
  * Python 2.7
  * Python 3.3
+ * Python 3.4
+ * Python 3.5
  * PyPy
+ * PyPy3

setup.py

@@ -40,6 +40,14 @@
         'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python',
         'Topic :: Software Development'
     ],
 )