Added Openplanet-Old.log for the previous session log file
Added export_dependencies to plugin info file which is useful for nested dependencies (eg. A depends on B depends on C, where B's exports contains types from C)
Added the ability to use the core API audience in the NadeoServices dependency
Added the ability to display descriptions for screenshots in the Plugin Manager (thanks MisfitMaid)
Added the ability to display screenshots at arbitrary aspect ratios in the Plugin Manager (thanks MisfitMaid)