Textile

* Bugfix: Don't assume pytest is available to be imported in setup.py ([39](https://github.com/textile/python-textile/issues/39))

- Packaging: `tests` directory is correctly included in source-tarball. (https://github.com/textile/python-textile/issues/33)

- Bugfix: Correctly handle unicode text in url query-strings. (36)

- Bugfix: fix an issue with extended block code
- Remove misplaced shebang on non-callable files.
- Packaging: Add test-command to setup.py directly.
- Packaging: Included the tests/ directory for source-tarballs, useful for packaging checks. ("33":33)
- Add a cli tool `pytextile` which takes textile input and prints html output. See `pytextile -h` for details.

Bugfix release: Fix github issue 30

Bugfix: properly handle `":"` as text, not a link.