Argvard

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*In development*

- Added Python 3.4 support. It should have worked previously but from now on
it's tested.
- Fix an issue that caused docstrings to not be properly dedented when used
as descriptions, producing among other things badly formatted help text.
- Added ability to raise :py:exc:`argvard.UsageError` inside functions to get
help output.
- Added :doc:`annotations </user/arguments>` as a way of validating user input.

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- Execution is now delegated to ``--help``, if no main function has been
defined.

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- Fixed typos in the documentation.

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- Added :class:`argvard.Argvard.from_main` and
:class:`argvard.Command.from_main` to reduce overhead when creating simple
applications or commands.

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Initial release.