Bug fixes:

• Fixed a bug with the door;
• Fixed a bug with displaying the time;
• Fixed bug where the remaining flashes were not displayed properly;
• Fixed bug were your vision would get slower and slower as time passed by;

QoL changes:

• Optimisation of multi-thread segments;
• Clean up of some code (again);
• Made some changes to the door mechanic;

Added things:

• 15 second interval were Fritz doesn't spawn right at the beginning;