Beta update 243904 promoted to main

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.