small typo in README
Merge pull request #8 from develucas/docs

small typo in README
Road to pytest PART 1
- removed everything related to unittest
- rewritten PConfig tests
- fixed setup.py
- removed rest of the tests which will be added with next commit
:Road to pytest PART 2
- added first integration test (not passing)
- added testconf file for inteegration tests
- added utils module