Small update patch
1. New sight. Now, the sight is more noticeable.
2. Fix freezing player on blue lasers. Now he does not sticks to them.
3. Shooting angles are increased. Now it is possible to shoot upward and downward without restriction.
4. Increased the player's health on easy and medium difficulty level for a more comfortable game.
5. Fix other small bugs. And added new :)
Enjoy ;)