1.22.1:
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  * Hotfixes for PHP 8 (surrim)

1.22:
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  * Added legal gdpr/dsgvo info

1.21
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  * Reset content message, as also needed in staticpage plugin.

1.20
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 * change xhtml to html for case: radio, checkbox and select
 * add missing code for case:select

1.19:
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 * reset encoded quotes for text and subject

1.18:
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 * Use native API method parseTemplate() for the tpl files

1.17:
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 * Sets required version to S9y 1.3
 * Set Sent Box to text, to not allow hidden <p> tags by WYSIWYG-Editors
   for the text.
 * Fixed Smarty template includement
 * Removed unused and confusing code
 * Fix german lang constant for "PLUGIN_CONTACTFORM_SENT_HTML"

1.16:
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* fix XSS security vulnerability (Thanks to Stefan Schurtz!)

1.15:
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* latest: Smarty3 forward compatibility

1.14:
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* Added check to circument adduser plugin's "registered only" option.

1.13:
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* Force spamblock plugin to properly realize "time to live" of captchas.
  Previously, even though captchas where displayed, it did not matter what
  the user entered.

1.11:
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* Fix XHTML validity of checked="checked"

1.10:
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* Introduce new "issue counter".