Updated .travis.yml

Author: nemesifier

.travis.yml

@@ -11,29 +11,29 @@ python:
   - "2.6"
 
 env:
-  - DJANGO="django==1.9b1"
-  - DJANGO="django==1.8.5"
-  - DJANGO="django==1.7.7"
-  - DJANGO="django==1.6.11"
+  - DJANGO="django>=1.9,<1.10"
+  - DJANGO="django>=1.8,<1.9"
+  - DJANGO="django>=1.7,<1.8"
+  - DJANGO="django>=1.6,<1.7"
 
 matrix:
   exclude:
     - python: "2.6"
-      env: DJANGO="django==1.7.7"
+      env: DJANGO="django>=1.7,<1.8"
     - python: "2.6"
-      env: DJANGO="django==1.8.5"
+      env: DJANGO="django>=1.8,1.9"
     - python: "2.6"
-      env: DJANGO="django==1.9b1"
+      env: DJANGO="django>=1.9,<1.10"
     - python: "3.3"
-      env: DJANGO="django==1.9b1"
-
-  allow_failures:
-    - env: DJANGO="django==1.9b1"
+      env: DJANGO="django>=1.9,<1.10"
 
 branches:
   only:
     - master
 
+before_install:
+  - pip install -U pip setuptools wheel
+
 # command to install requirements
 install:
   - pip install $DJANGO