v1.5 update!

Hi everyone! Just wanted to notify that I just updated this game. A lot of improvements just got here!

Let's get to the point as quick as possible!
- Deleted a triangle thing called "Weapon"...it's just useless lol
- UFO's and bullets aren't overlapping Crystal Upgrade Menu. I hope it will be useful!
- Slightly changed EP receiving process (it looks more cool and gives you a bit more than in past version)
- Removed popping out of the game while your HP is zero...idk why I did that.
- SPD stat got buffed a lot! It's not only improves your movement speed, but also shooting speed!
- Also, bullets now a bit slower when the game starts...yes, I did that on purpose.
- Healing Aura got nerfed...don't waste your ammo, shoot carefully!
- Player/Turret bullets got stronger. 5th ATK level now lets you one-shot any UFO!
- Removed a script where player/turret bullets are wider. It was looking ugly tbh...
- THE TUTORIAL IS HERE! FINALLY!!! (with a fancy music from Celeste...mmmmm.....wavedashing tutorial.....)
- Optional CRT-effect was added. I didn't wanted to make curving because it makes a lot of text unreadable...but effect still looks cool!
- Changed results screen - removed useless "Hi-Score" lines...but added Rank!
- Difficulty progression were improved (I even made "Danger Level" thing here)
- Still didn't fixed that weird "Sounds got bass-boosted" thing...sorry for this.
- Changed main menu screen a bit. (Yes, you still can walk here and click on UFOs)

That's everything for this update. I think the game got more playable and more fun...I don't know if I make v2.0 version someday, but my gamedev stuff won't end - I promise!!!