Merge pull request #148 from myint/master

Remove Python 3.1 from Travis CI tests

diff --cc .travis.yml
index 8f47cfa6af819f16502a1405291a90d226630115,500c29cdc4241b90c2ed414397f7d4443cc1fada..2a54972a8592670a02c03afb2af23165ade091f0
--- 1/.travis.yml
--- 2/.travis.yml
+++ b/.travis.yml
@@@ -3,9 -3,7 +3,8 @@@ python
    - 2.5
    - 2.6
    - 2.7
-   - 3.1
    - 3.2
 +  - 3.3
    - pypy
  install:
    - pip freeze