1.0.0:
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 * Declare strict types
 * Re-/Move UTF-8 lang file to plugin root for Styx 5.0
 * Use native htmlspecialchars()
 * Raise requirements for Styx 5.0

0.7:
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 * Set plugin consistencies
 * Use load language API - extends required Serendipity version to v.1.6
 * Fixed possible scalar value error
 * Fixed SQL added query string for case category
 * Fixed browser throwing unbalanced trees errors.
   See https://developer.mozilla.org/en-US/docs/Web/HTML/Optimizing_your_pages_for_speculative_parsing