Hotfix 0.13.1

Fixed some bugs introduced in the last patch. Larger balance changes will be made in the next patch. [h3]Changes:[/h3] [list] [*] Adjusted preview moving dummy movement. [*] Increased rock received collision damage and applied the same scaling to explosion damage. [*] Adjusted wizard mass scaling. [/list] [h3]Bug fixes:[/h3] [list] [*] Fixed leaderboard crash. [*] Fixed undo/redo crash. [*] Fixed duplicate default loadouts. [*] Fixed empty stack crash issue with the new end block glyph. [*] Fixed issue causing wizard clones to not move in a given direction. [*] Fixed UI scaling in the preview window. [*] Fixed color picker visual bug. [*] Fixed explosion stacking bug. [/list]