Exclude some Python/Django version combinations that cannot possibly work.

Django 1.9 doesn't support python 3.3. Similarly, Python 3.5 removes HTML parsing utils used by Django < 1.8.

Author: korfuri

.travis.yml

@@ -15,10 +15,18 @@ matrix:
  exclude:
  - python: "3.3"
  env: DJANGO_VERSION=1.4
+ - python: "3.3"
+ env: DJANGO_VERSION=1.9
  - python: "3.4"
  env: DJANGO_VERSION=1.4
  - python: "3.5"
  env: DJANGO_VERSION=1.4
+ - python: "3.5"
+ env: DJANGO_VERSION=1.5
+ - python: "3.5"
+ env: DJANGO_VERSION=1.6
+ - python: "3.5"
+ env: DJANGO_VERSION=1.7
 install:
  - pip install -r requirements.txt
  - pip install -q Django==$DJANGO_VERSION