Collective.solr

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- Prevent wildcard expressions for stopwords in simple expressions [reebalazs]

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- Strip standalone wildcards from the searchable text (362) [reebalazs]

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- Fix indexing of set values in multivalue fields [reebalazs]

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- Fix EN/DE description for the showinsearch field.
[tisto]

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- Fix deserialization of image_scales metadata when there is no value
[mpeeters]

- Limit `rows` to 1000000000; higher values can cause a NumberFormatException in solr.
[tisto, davisagli]

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- Add support for Python 3.10
[tisto]

- Fix deserialization of image_scales metadata in FlareContentListingObject.
[davisagli]