Fixes and improvements — Sci-fi builder Steam update #520695

Thanks to everybody who report me the bags in the game and give the ideas about new functions and improvements! I have made by your requests: Improvements: + Warning lights for sector 2 + Has been fixed settings of couple position + Fix of collider for Stool machine + Renamed some of furniture + Buttons Reset and Restart has been added to error window + Fixed the problem when many NPCs try to go through the door simultaneously + Fix of Washstand + Fix of camera system (On some computers, activating the security camera system resulted a system error. I couldn’t repeat this problem on my computer, but I remade the security camera system. Please let me know the result. Did the changes helped or not?) + Fix of Portal tasks + Fix of error when all tasks has been done