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* Check if the browser has been started on travis
* Aadded chromedriver installation on travis
* Removed unused imports and variables and conformed to the PEP 8 style guide
* Added installation of codecov in travis
* Removed setuptools-changelog package, use only bump2version to change history
* Fixed phony and added other commands in makefile
* Changed python to python3 in makefile
* Added chrome browser in travis
* Updated features in README.rst
* Removed unused module terminaltables
* Misc: small fix or general refactoring