v1.5.1

This is a small update, mainly for compatibility with the new npx tools for installing the framework and add-ons via the command line, instead of downloading the files manually.

Important: This the the first version that is fully compatible with the npm tools, 1.5.0 won't work anymore after this release.

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For more details about the update, check the changelog in the README.

If you have any questions, issues or suggestions, feel free to create an issue!