Adds Sirens in the settings
adds a random siren in the background
Merge branch 'siren' into dev
adds docstrings (mostly empty), and a few more code fixes
Merge branch 'codeCleaning' into dev
fixes sirene
cleans up todo list
Cleans up old sorting code. Not neccecary anymore as each event now has its own
callbacks for spawning a series of events.
Adds a begin second/third phase in case the mission isn't over yet!
Updates the readme with done and new items
removes the test mission from the mission files.
Merge branch 'dev'