Ping-pang

* Reworked unit tests to get 100% coverage
* Various code refactors to support new tests
* Made package importable via `__init__.py` file
* Added `iterations` flag, you can now provide how many times ping pang will run (Default: 60, down from the previous 1000)
* Tweaked interval from `None` to `1` by default

* Fixing deployment bug
* Fixed showcase image/tag in README

* Reworked unit tests

* Various bug fixes
* Added unit tests and coveralls
* Added Makefile
* Added automatic releasing via Travis CI tags
* Switched from Pylint to Flake8

* Fixes a bug where the console output was displaying incorrectly
* Updates the README with the correct usage info

* Initial commit
* Can ping a url and save the response to a log or CSV
* Can setup an interval to repeat this process