- `Plugin.parse_args` now returns any unparsed arguments that were found - the `args_to_objects` method now raises an Exception by default when unknown arguments are encountered for a plugin (can be controlled with the `allow_unknown_args` parameter)
0.0.6
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- enforcement of uniqueness is now checking whether the class names differ before raising an exception.
0.0.5
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- added `OutputProducer` and `InputConsumer` mixins that can be use for checking the compatibility between pipeline components using the `check_compatibility` function.
0.0.4
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- added support for `dynamic` mode which only requires listing the superclass of a plugin and the module in which to look for these plugins (slower, but more convenient)
0.0.3
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- added `generate_entry_points` helper method to easily generate the `entry_points` section for plugins, rather than manually maintaining it - added `generate_help` and `generate_plugin_usage` methods for generating documentation for plugins