Add coveralls.io functionality.

Author: Gusgus01

.circleci/config.yml

@@ -3,15 +3,18 @@ version: 2.0
 my-steps: &steps
   - checkout
   - run: sudo pip install -r requirements.txt
-  - run: sudo pip install flake8 pytest
+  - run: sudo pip install flake8 pytest coveralls
   - run: python --version ; pip --version ; pwd ; ls -l
   # stop the build if there are Python syntax errors or undefined names
   - run: flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
   # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
   - run: flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
   #- run: pytest # test_s2gs test_replays
-  - run: python -m unittest discover test_s2gs
-  - run: python -m unittest discover test_replays
+  - run: coverage run --source sc2reader -m unittest discover test_s2gs
+  - run: 
+      halt_build_on_fail: true
+      command: coverage run --source sc2reader --append -m unittest discover test_replays
+  - run: coveralls
 
 jobs:
   Python2: