Small update/XP changes

[h1]Whats new:[/h1] -New back cosmetic called [i]"Safety Vest"[/i], made by [b]Aetherpixel[/b]. [img]{STEAM_CLAN_IMAGE}/44751462/41d542348e7282d1862fc0003f03ba6a0438aab1.png[/img] https://steamcommunity.com/sharedfiles/filedetails/?id=3411531579 [i]Can be found for FREE ingame![/i] -XP System changed to give 10 times more xp for reaching higher waves and double the xp for kills! [h1][b]Bug Fixes: [/b][/h1] -Fixed a bug where particles are behind the map and are not visible. -Fixed a bug where the inventory will not load. Thanks to everyone supporting my game! Your feedback helps alot! -sincerly Tinky <3