Beta update 243904 promoted to main — Serious Sam II Steam update #8110

The beta update 243904 has been promoted from public beta to main. Changes: Added "Toggle last weapon" control. Added 'Use lives' cooperative option, defaults to YES. Fixed stretching of Netricsa icon texture and moved icon position so it doesn't overlap Armor element. Increased forced shoot period for Mental Institution fighters bomb drops so player stands a better chance of defeating Mental Institution without Serious Damage. Fixed force field for Jungle Stadium loop that was too small and made it hard to make the loop. Fixed a place where players can get stuck at the end of Doomed Canyon level. Fixed vertical weapons list not switching weapons when shortcut keys are used.