Bug Fixes and Balance Changes #1

UI

- Added a quit button to Pause menu for those that download the game and run full screen.
- Fixed a bug where you couldn't edit the sound settings after respawning.

Player

- Fixed a bug that prevented projectiles from looping on the map with the player.
- Player's machine gun bullet travel speed increased by 30%
- Missile travel speed decreased by 15%.
- Missile cooldown speed increased from 3 to 5 seconds.
- Missiles now explode at the end of their life. They will only produce a sound and screen shake if it hits a target.

AI
- Fighter AI spaceship orbits their target twice as fast.
- Fighter AI spaceship shoots 25% slower.
- Fighter AI spaceship score value reduced from 50 to 25.

Asteroids

- Asteroids score value increased from 200 to 300.
- Asteroids turned into factories reset and double their HP.
- Asteroids turned into factories now have a score value of 500.

Highscore

- Score required to get free HP increased to 2,000 from 1,000;