2.1.0:
------
 * Improve for Serendipity Styx Picture Container with image variations

2.0.1:
------
 * Fix some function parameter type issues for Styx 5.0

2.0.0:
------
 * Declare strict types
 * Re-/Move UTF-8 lang file to plugin root for Styx 5.0
 * Raise requirements for Styx 5.0

1.15:
-----

 * Fix for current $serendipity['thumbSuffix']

1.14:
-----

 * Fix version check for checkScheme() plugin db upgrades

1.13:
-----

 * Allow modal dialog choosing the image, based on $serendipity['enableBackendPopup']

1.12:
-----

 * Check $serendipity['POST']['properties']['photoname'] properties only when set
 * Fix uninitialized vars
 * Improve non-file message

1.11:
-----

 * Check some more eventData push or POST cases before action
 * Raise PHP requirement

1.10:
-----

 * Check $file return return value for eventData push

1.9:
----

 * Raise requirement to 2.0+
 * Fix up for proper Serendipity 2.0 media selections
 * Secure database requests
 * Allow different thumbSuffix for Serendipity Styx

1.8:
----

 * Fix db install
 * Fix up [tr] lang

1.7:
----

 * Fix possible PHP 7 warning for parameter must implement Countable
 * Raise requirement for consistency and lang API usage

1.6:
----

 * Compat fixes

1.5:
----

 * Fix not showing thumbnail after editing.