Sambuca-core

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* Updating setup.py metadata
* First version pushed to PyPI

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* Minor documentation fixes.
* Setup Travis CI integration.
* Completed Read the Docs integration.
* Removed Python 3.4 from CI, as it is not supported by pandas.

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* Added Readthedocs link.
* updated changelog.

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* Added licence, cleaned up docs and pushed to GitHub.

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* Fixed filename case-sensitivity issue between Windows and Linux.

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* Implemented q_factor and R(0-) calculations.