Drop Python 3.1 support

.travis.yml

@@ -3,7 +3,6 @@ python:
   - "2.5"
   - "2.6"
   - "2.7"
-  - "3.1"
   - "3.2"
   - "3.3"
 install:

README.md

@@ -2,7 +2,7 @@
 
 This library is based on [Maxmind's GeoIP C API](https://github.com/maxmind/geoip-api-c).
 
-Tested with Python version 2.5, 2.6, 2.7, 3.1, 3.2 and 3.3.
+Tested with Python version 2.5, 2.6, 2.7, 3.2 and 3.3.
 
 ## Installation ##
 

setup.py

@@ -41,7 +41,6 @@ setup(name='pygeoip',
                    'Programming Language :: Python :: 2.6',
                    'Programming Language :: Python :: 2.7',
                    'Programming Language :: Python :: 3',
-                   'Programming Language :: Python :: 3.1',
                    'Programming Language :: Python :: 3.2',
                    'Programming Language :: Python :: 3.3'],
       packages=['pygeoip'],

tox.ini

 [tox]
-envlist = py25,py26,py27,py31,py32,py33
+envlist = py25,py26,py27,py32,py33
+
+[testenv:py25]
+setenv=PIP_INSECURE=1
 
 [testenv]
 deps = nose