split tests to different tox envs

Author: nir0s

.travis.yml

@@ -1,6 +1,15 @@
+sudo: false
 language: python
 python:
   - "2.7"
-install: pip install tox
-script: tox
-sudo: false
+env:
+    - TOX_ENV=py26
+    - TOX_ENV=py27
+    - TOX_ENV=py32
+    - TOX_ENV=py33
+    - TOX_ENV=py34
+    - TOX_ENV=flake8
+install:
+    - pip install tox
+script:
+    - tox -e $TOX_ENV