SEVA Suit upgrade Mod (small fix) (1.1)

A quick mod to allow people to upgrade the last kevlar and psi upgrades on the SEVA suit at either the Clear Sky or Agroprom Stalker Base mechanics.
Copy the "gamedata" folder to your Stalker - CS folder and if you've not done so already go into your stalker dir and edit the fsgame.ltx so that this line reads "true" for both values as shown below. $game_data$ = true| true| $fs_root$| game