Maintenance Update and Mythic Dungeon Plus development progress

- Dungeon followers now correctly show into the damage done section.
- Fixed an error while statusbar plugin options.
- Framework update.
- Mythic Dungeon Plus code has been separated into six files (was just 2), this will help with the organization
and maintenance of the code.

Libs/DF/panel.lua

@@ -2085,7 +2085,7 @@ local no_options = {}
 ---NoCloseButton = false, --if true, won't show the close button
 ---NoTitleBar = false, --if true, don't create the title bar
 ---RoundedCorners = false, --use rounded corners if true
----@class simplepanel
+---@class simplepanel : frame
 ---@field TitleBar frame
 ---@field Title fontstring
 ---@field Close button