Sourcery-rules-generator

Added

* Help for command groups.

Updated

* Help for `create` commands: more usage-focused

Fixed

* README: order of paragraphs

Added

* "Expensive Loop" rule template and command

Added

* Dependencies rules: Allow multiple importer packages

Added

* "voldemort" rule template and command: names to avoid in your code

Added

* Tests with tox [GH-1](https://github.com/sourcery-ai/sourcery-rules-generator/issues/1)
* Support Python 3.9 [GH-2](https://github.com/sourcery-ai/sourcery-rules-generator/issues/2)

Fixed

* Dependencies rules: Detect only the package and its subpackages. Don't detect imports that are only a text match. [GH-10](https://github.com/sourcery-ai/sourcery-rules-generator/issues/10)