Merge pull request facebookarchive#113 from seajosh/master

added python 3 to Travis CI

Author: heatonjb

.travis.yml

@@ -2,6 +2,8 @@ language: python
 python:
   - "2.6"
   - "2.7"
+  - "3.3"
+  - "3.4"
 install:
   - "pip install ."
 script: "python tests.py"