Better Happy Ghast Controls

Initial release.

• Feature: Configurable movement speed.
• Feature: Ghast rotation pivots around the player.
• Feature: Added a bindable descend key.
• Feature: Added Dynamic Pitch client setting to allow more fluid movements.
• Feature: Add smooth glide toggle to client settings.
• Feature: Client profiles and toggle keybind.
• Feature: Server settings for ghast size, default speed, and roaming - doesn't require client mod.
• Feature: Mod menu screen for client settings.
• Feature: Mod menu for server settings (readonly if multiplayer).
• Feature: Allow ghast size to scale higher than 1.0.
• Feature: Sprint to go 50% faster (hold sprint key only, doesn't work with double tap forward).
• Feature: Ghasts can be walked through while roaming is off.
• Feature: Ghasts move automatically if in danger of taking damage, even when roaming is off.