0.6.1 Firearm serial numbers + fixes — Airport X-Ray Simulator Steam update #1115552

- Added firearm serial numbers to the game: All firearms will now have a serial number etched onto the side. You can spot this by rotating the firearm in inspect mode, or by reading the examine text when picked up or inspected. A passenger now requires both a permit, and to have the matching serial number on that permit for the firearm to be classed as "allowed", if a passenger has a permit but an incorrect serial number - it needs to be flagged. Firearm serial numbers are a small part of a future major update to flagging. - Lowered the height on the low workbench table so bags pushed off the conveyor should now be pushed onto this table.(will tweak as needed) - Added X-ray zoom control to the bindings page, although it is locked for now and only used as reference. - Fixed a bug that didn't update your level on the career tab app. - Fixed a lagg spike when bags reached the end of the con...