Test coveralls.

.travis.yml

@@ -1,9 +1,14 @@
 language: python
 python:
-    - "2.6"
-    - "2.7"
-    - "3.2"
-    - "3.3"
-    - "3.4"
-install:  python setup.py build
-script:   python setup.py -q test
+    - 2.6
+    - 2.7
+    - 3.2
+    - 3.3
+    - 3.4
+install:
+    - pip install coveralls
+    - python setup.py build
+script:
+    - coverage run --source=mwparserfromhell setup.py -q test
+after_success:
+    - coveralls