Changelist:

• Significantly increased PIKD guns cost;
  
• Increased "Infinite ammo" cost multiplier from 2 to 5;
  
• Added custom description to weapons which need one;
  
• Changed costs for all C4-type weapons to be in line with default C4;
  
• Added "bouncing" additional property for the description;
  
• Removed possibility for buying ammunition for certain weapons which have regenerating ammo;

Fixed the bug where cutscene Technopolip in Level 4 would give you money upon disappearing.