~ Changed: Remove clean cache from component (processed in package install).
# [LOW] Fixed: Checks if the image is readable before generating thumbnails.
# [LOW] Fixed: Additional end day error on a period, if start and end dates are at the same time.

Changed files in 3.9.11
~ script.com_icagenda.php
~ [LIBRARY] lib_ic_library/Date/Period.php
~ [LIBRARY] lib_ic_library/lib/date/period.php
~ [LIBRARY] lib_ic_library/lib/thumb/get.php
~ [LIBRARY] lib_ic_library/Thumb/Get.php