Merge branch 'python3-single-codebase'

Closes https://github.com/soundcloud/soundcloud-python/pull/59.

Author: sferik

.travis.yml

@@ -1,18 +1,10 @@
 language: python
 python:
   - "2.7"
-  - "3.2"
   - "3.3"
   - "3.4"
   - "3.5"
   - "pypy"
-matrix:
-  allow_failures:
-    - python: "3.2"
-    - python: "3.3"
-    - python: "3.4"
-    - python: "3.5"
-    - python: "pypy"
 script: nosetests --with-doctest
 sudo: false
 cache: pip