Revert "Add cost to listview... and also a possible bug!"

This reverts commit 5744261767e9077256ef873ae99a1b8f5fc1a27b.
Revert "Revert "Add cost to listview... and also a possible bug!""

This reverts commit 3dba478c27186b13ff928c004bbdf84c11cad388.
Merge branch 'development' of https://github.com/havocx42/ozawa into development