Early Access version 118

Yet **another another **unexpected update (so I guess this makes it an **expected unexpected **update?). The main addition are **Budget Constraint **missions. These are daily challenge missions where everyone flies with the same minimal loadout. For the next 3 days, daily challenges will be Budget Constraints. Afterwards, Budget Constraint appears with a 20% probability each day (another 40% for Daily Mission (renamed to “Today’s Scramble”), 20% Weapons Training, and 20% Pot Luck).

Also, some balancing changes to Positron Stream, Plasma Rifle, and Laser Cannon. And new backgrounds!

More information about this update can be found here: https://forum.chickeninvaders.com/t/early-access-version-118/23816