Mkdocs-rss-plugin

Added

* option to get the full page content into thread. Contributed by [liang2kl](https://github.com/liang2kl) with [PR 88](https://github.com/Guts/mkdocs-rss-plugin/pull/88). See the [related documentation section](https://guts.github.io/mkdocs-rss-plugin/configuration/#item-description-length).

Changed

* documentation on ReadTheDocs has been removed to reduce confusion and dependencies. [PR 89](https://github.com/Guts/mkdocs-rss-plugin/pull/89).

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Changed

* bump MkDocs maximal version

Fixed

* improve DockerFile used to test, fixing it after Material removed some dependencies

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Fixed

* remove a print statement

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Added

* add option to handle the [RSS item comments element](https://www.w3schools.com/XML/rss_tag_comments.asp) through item URL path (see [documentation](https://guts.github.io/mkdocs-rss-plugin/configuration/#item-comments-path))

Changed

* ignore `urllib.error.URLError` exception to avoid build crashes typically when network is offline

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Added

* ability to define URL parameters on items URLs (see [documentation](https://guts.github.io/mkdocs-rss-plugin/configuration/#url-parameters))
* complete unit tests and display code coverage badge (using codecov.io)

Changed

* homogenization of docstrings on the sphinx format (as stipulated in the contribution guidelines)

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Fixed

* fix `match_path` option by skipping the pages that aren't included. See [PR 49](https://github.com/Guts/mkdocs-rss-plugin/pull/49). Contributed by [Paulo Ribeiro](https://github.com/pauloribeiro-codacy/).

Added

* add isort to development toolbelt

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