Large Update for Polish/Fixes

Player changes: -Pressing block now queues up after attacks, improving the flow of combat. -Mysana's siphon spell is now twice as fast. -Most weapons now reach longer on attack. -Every new game starts off with one life and mana potion. -Player torch illumination adjusted with less glow making it more visible. Enemy changes: -New enemies in hard mode. -Zombie warriors have red magic sword spells in normal mode, double swords in hard mode. World changes: -New ghost texture shaders. -Swimming in the north plains, dive into the water now! -Dahkil's assistant quest updated. -Many stair collisions reworked that weren't working well with new player controller. -Dialogue stays on screen if you remain close to NPC after talking to them. -Window shader rework. -Tutorial additions. -Typos fixes, sound reworks, and other bug fixes.