(Image credit: Facepunch Studios) Facepunch Studios may have only just released S&box , but the launch of its spiritual successor to Garry's Mod has done nothing to slow down its monthly Rust update. It is as predictable as the tide, or having your base raided by your half-naked neighbours. This month's "Upgrade hard, raid harder " patch brings a major overhaul to one of Rust's key systems, though personally I'm more interested in the addition of mortars, sicko for explosions that I am. We'll eat our vegetables first, however. The headline change affects workbenches, which according to Facepunch have received "a whole new upgrade system". This includes nine new upgrades, each of which provides a different bonus to a workbench's functionality. (Image credit: Facepunch Studios) In other words, you'll need to do proper spotting to get the most out of your mortar.…