Tvrenamr

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- Tidy up so it can be used as a library too

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- Remove lxml and thus it's C building dependencies

- Tidy up the tests

- Clean up the library fallback logic and it's error handling

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- Show unhandled exceptions

- Provide a default filenmae format to fall back to

- Use Requests instead of urllib2

- Thanks to sampsyo for his work on this release

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- Add documentation and push to Read the Docs

- Fix another silly typo. Regretting the state of the tests now...

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- Fix a silly naming bug that broke everything and brown bagged the last
release.

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- Allow the use of apostrophes in the show name regular expression

- Allow the use of hypen as a delimiter in the filename regular expression.

- Clean up the interface to the episode object for use in the front end.

- Use the correct variable name when retrieving the show name from an episode
object.

- Give more sensible output when the config's defaults are missing.

- Return the correct error code when exiting from an error.