Added smooth texture transitions, which lets us supply two textures and an alpha channel to blend them with. It should make the environment more interesting. Also did the necessary work to support arbitrary resolutions and fullscreen mode, so there's that. Also added the capability to group things in the editor, which is going to be helpful as we add more properties to edit.

There was also a cool improvement to the editor: in the event that you put in a bad value (like the string 'SUPERFAST' for speed), it will revert it back to the original instead of crashing the whole game. It does this by immediately running the update loop inside a pcall with your supplied input. If the pcall barfs then it reverts the value you entered and flashes red.

On the gameplay side of things started on the shapeshifting ability. Mostly just getting the cooldowns/ability system set up, importing all of the minion animations, and making a simple UI for it. More to come on this later.

Also been violating a bit of the FRP stuff recently so I'll try to get that cleaned up and more organized over the next few days.