Release v0.1.2.

* Adds version information to ``__init__.py``.
* Adds Travis CI configuration information.
* Reformats ``README.rst``.
* Adds documentation about contributing.
* Fixes #2. Fixes segmenting text with whitespace.
* Fixes #3. Fixes ``_encode()``/``_decode`` default encoding error.
Initial commit
Merge branch 'develop' from anatum into develop
Fixes typo in docs. Fixes #4.
Adds license_code argument to pynlpir.open. Fixes #6.
Packages NLPIR version 20131219. Removes version 20140324. Fixes #5.
Fixes bug with double slashes in input. Fixes #7.
Removes old data files from previous NLPIR version. See issue #5.
Bumps version to v.0.1.3.
Adds note about get_key_words function not working.
Updates change log for v.0.1.3.
Releases version v0.1.3.

* Fixes typo in docs. Fixes #4.
* Adds *license_code* argument to ``pynlpir.open``. Fixes #6.
* Packages NLPIR version 20131219 and removes version 20140324. Fixes a NLPIR expired license issue. Fixes #5.
* Fixes bug with double slashes in input. Fixes #7.

Merge branch 'release/v.0.1.3'