Added Travis config.
Added Travis & Coveralls badges.
Merge pull request #1 from luismayta/testing

Added Travis and Coveralls configurations.
Added PyPI badges.
Added more classifiers on setup.py.
Update Python versions on tox.ini file.
BUMP 0.1.2 version.
Version -> +.
PEP 0263 & PEP8.
Added initial Sphinx structure.
Improved docs with apidoc and new doc files.