Originally started as an internal branch by @Lach, containing a couple of skincolor-related tweaks to go with character resprites, but it ended up going way beyond that:
Added 44 new skincolors
Includes new default colors for Knuckles (Pepper), Amy (Taffy) and Fang (Mauve)
Each Chaos Emerald now has a matching skincolor: Emerald, Crystal, Sapphire, Aquamarine, Topaz, Garnet and Meteorite
Changed a couple of existing skincolors
Simplified the way invcolor works (Resolves #496 (closed))
Fixed Mario mode's invincibility color cycle
Improvements to color selection in the Player Setup menu
Added a grid view to easier navigate through large amounts of colors, accessed by pressing Enter on the Color... option
PgDown/PgUp cycles through both regular and grid view faster
Added development shortcuts to Player Setup menu:
Pause/Break to pause player's walking animation
Insert to change background color to the current skincolor's invcolor
Tweaked NiGHTS link colors & added even more vibrant colors after obtaining a link of 600
Fixed NiGHTS score sprites not changing color, they now cycle through the link colors (Resolves #745 (closed))
