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CLI builder using argparse.ArgumentParser-like interface

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anrosent

This module provides a class `cli.CLI` that simplifies writing Command Line Interfaces for applications. It uses the `argparse` module from the CPython standard library, which provides great help/error messaging, as well as argument validation. You can find a decorator-based alternative in `flask.ext.script.Manager`, but here I’ve tried to emulate the `argparse.ArgumentParser` interface, with the bonus of no external dependencies.

### Example

See `example.py` for a great intro.

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