add specific python version numbers to trove classifiers

Author: njsmith

setup.py

@@ -29,7 +29,12 @@
         "Intended Audience :: Financial and Insurance Industry",
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 2.6",
+        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.2",
+        "Programming Language :: Python :: 3.3",
+        "Programming Language :: Python :: 3.4",
         "Topic :: Scientific/Engineering",
         ],
 )